Answer:
lysosomes, small molecules
Explanation:
-plants:usually not evident Animals: occurs in cytoplasm
-small organelles filled with enzymes
-"clean up crew"
- the digestion or breakdown of lipids, carbs, and small proteins into small molecules that can be used by the rest of the cell
-involved in breaking down organelles that have outliveed their usefullness
-diseases are trace to lysosomes that dont function properly
Provide an example of at least one interaction for each pair of spheres. 1. lithosphere and atmosphere: 2. lithosphere and hydrosphere: 3. lithosphere and biosphere: 4. hydrosphere and atmosphere: 5. hydrosphere and biosphere: 6. atmosphere and biosphere:
1. Lithosphere and Atmosphere: Weathering - rocks break down due to exposure to wind, water, and temperature changes. 2. Lithosphere and Hydrosphere: River formation - water erodes and shapes the land, creating river systems. 3. Lithosphere and Biosphere: Plant growth - roots extract nutrients from the lithosphere, stabilizing soil and contributing to ecological balance. 4. Hydrosphere and Atmosphere: Evaporation - water from oceans, lakes, and rivers changes to vapor and enters the atmosphere. 5. Hydrosphere and Biosphere: Aquatic ecosystems - water supports diverse life forms, providing habitats for aquatic organisms. 6. Atmosphere and Biosphere: Photosynthesis - plants use carbon dioxide from the atmosphere to produce oxygen and organic compounds.
1. Lithosphere and Atmosphere: An example of interaction between the lithosphere and atmosphere is the process of weathering. Weathering involves the breakdown and alteration of rocks and minerals on the Earth's surface due to exposure to atmospheric conditions.
The lithosphere, which consists of the Earth's solid outer layer, is constantly subjected to various weathering agents present in the atmosphere such as wind, water, and temperature changes. Over time, these agents can cause physical and chemical changes to the rocks, leading to their erosion and transportation.
2. Lithosphere and Hydrosphere: An example of interaction between the lithosphere and hydrosphere is the formation of rivers. Rivers are created when water flows over the Earth's surface, carving channels into the lithosphere.
As water from precipitation or melting ice moves across the land, it erodes and transports sediment, shaping the landscape and forming river systems.
The lithosphere provides the landmass and geological features through which the rivers flow, while the hydrosphere supplies the water necessary for their formation and sustenance.
3. Lithosphere and Biosphere: An example of interaction between the lithosphere and biosphere is the growth of plants. Plants depend on the lithosphere for anchorage and access to nutrients.
The roots of plants penetrate the lithosphere, extracting essential minerals and water necessary for their growth and survival. In return, plants play a vital role in the lithosphere by stabilizing the soil with their root systems, preventing erosion, and contributing to the overall ecological balance of the biosphere.
4. Hydrosphere and Atmosphere: An example of interaction between the hydrosphere and atmosphere is the process of evaporation. Evaporation occurs when water from oceans, lakes, and rivers is heated by the Sun, causing it to change from a liquid state to water vapor and enter the atmosphere.
This water vapor then contributes to the formation of clouds and plays a crucial role in the Earth's water cycle, eventually leading to precipitation and the replenishment of the hydrosphere.
5. Hydrosphere and Biosphere: An example of interaction between the hydrosphere and biosphere is the existence of aquatic ecosystems. These ecosystems, such as oceans, lakes, and rivers, support a wide range of life forms.
They provide habitats for various organisms, including fish, marine mammals, and aquatic plants. The hydrosphere provides the necessary water and nutrients for these organisms to thrive, while the biosphere, in turn, influences the hydrosphere through biological processes like nutrient cycling and oxygen production.
6. Atmosphere and Biosphere: An example of interaction between the atmosphere and biosphere is the process of photosynthesis. Plants and some microorganisms in the biosphere use carbon dioxide from the atmosphere, along with sunlight and water, to undergo photosynthesis.
Through this process, they convert carbon dioxide into oxygen and produce organic compounds that serve as a source of energy for themselves and other organisms. The atmosphere provides the necessary carbon dioxide and oxygen for photosynthesis to occur, while the biosphere plays a critical role in maintaining the balance of atmospheric gases and sustaining life on Earth.
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What molecule promotes guanosine monophosphate synthesis to regulate the balance of nucleotide pools?
A) ATP
B) UTP
C) CTP
The structures of hypoxanthine and allopurinol are shown above. It is known that allopurinol is an inhibitor of the enzyme xanthine oxidase. What type of inhibitor is allopurinol likely to be?
A) Uncompetitive
B)Competitive
C)Allosteric
Answer:
Well the answer is A: ATP
Explanation:
Show a Punnett square for a cross that allows F1 to self-pollinate (Hint: a cross between the offspring).
From this cross of individuals that are heterozygous for a particular trait, the expected genotypic ratio of the F1 generation would be 1 AA: 2 Aa: 1 aa. The expected phenotypic ratio would be 3 individuals with the dominant trait (A_) to 1 individual with the recessive trait (aa).
What is the Punnett square for the self-pollination of F1?Consider a cross between two individuals that are heterozygous for a particular trait.
Let A represent the dominant allele and a represent the recessive allele.
The genotypes of the parent generation (P generation) are Aa × Aa.
Punnett square for this cross:
| A | a |
-------|------|------|
A | AA | Aa |
-------|------|------|
a | Aa | aa |
-------|------|------|
The Punnett square shows the possible combinations of alleles from the parent generation and predicts the genotypes and phenotypes of the offspring in the F1 generation.
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identify the tissue in the image, which is comprised of short, spindle-shaped cells that are found in the walls of blood vessels and in digestive, respiratory, urinary, and reproductive organs.
The tissue in the image is smooth muscle tissue, which is found in the walls of blood vessels and in digestive, respiratory, urinary, and reproductive organs. It is responsible for the movement of substances through these organs and is also found in the iris of the eye and in the skin.
The tissue in the image is smooth muscle tissue. Smooth muscle tissue is composed of short, spindle-shaped cells that are found in the walls of blood vessels and in digestive, respiratory, urinary, and reproductive organs. It is an involuntary muscle tissue, meaning that it is not under conscious control, and it is responsible for the movement of substances through these organs. Smooth muscle tissue is also found in the iris of the eye and in the skin, where it controls the size of the pupils and the contraction of hair follicles, respectively.
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After germinating, a plant must before it is ready to flower. A wither B. decompose C. grow to maturity D. do nothing
Answer:
C. Grow to maturity
Explanation:
I am 99% sure hope it helps
Most angiosperms incorporate the assistance of animals in their reproductive cycle. This is a major advancement that gave them an advantage over other plant lineages and helped them become the dominant type of plant on Earth today. Which of the following steps in the reproduction of angiosperms do animals assist with? Check all that apply.
A. Pollination
B. Seed dispersal
C. Fertilization
Answer: The steps in reproduction of angiosperms that animals assist with is
a.) Pollination
Explanation:
ANGIOSPERMS are flowering plants that forms the largest group in the plant kingdom. The angiosperms are more highly evolved than other plants because they have an abundance of water- conducting vessels and bear seeds which are protected within fruits. Fruits develop from the ovaries of flowers, the female reproductive organ of the angiosperms.
Pollination is only the first step in the process of sexual reproduction in flowering plants. It is followed by fertilization and development of the zygote. These steps change the flower into a fruit enclosing seeds. Pollination in flowering plants involves the transfer of pollen grains from an anther to a receptive stigma.
Pollination depends on external pollinating agents known as pollinators. These include
--> insects and
--> animals such as birds, squirrel,bats and snails.
Animals such as birds perceive red colour more clearly than insects. They are also larger than insects and unlike insects have a poor sense of smell. As a result, flowers of plants that are pollinated by birds are usually Res with no scent. While flowers pollinated by insects are scented and produce nectar. As they visit the flower, they become covered with the pollen from the mature anthers of the flower. These pollen grains are eventually transferred to the stigma of another flower of the same species leading to fertilization which is a step in plant reproduction. Therefore, pollination is a step in reproduction of angiosperms that animals assist.
Answer:
B. Seed dispersal
Explanation:
Seed dispersion is an ecological process very important in keeping ecosystemic biodiversity and in vegetal communities regeneration. There are many types of dispersion. But probably, zoocory is one of the most significant types of seed dispersion.
There are two types of zoocory:
Exozoocory: refers to the transport of seeds in the fur or feathers of animals.Endozzocory: refers to the ingestion of the seeds and the posterior excretion.By endozoocory, herbivores are significant not only for dispersing the seeds but also for scarifying them. When seeds pass along the digestive system of the animals, the whole digestive process eliminates or debilitates the cuticle and other external structures, increasing the proportion and speed of germination.
Many vertebrates are involved in seed dispersion, but birds and frugivorous bats play an important role in dispersing seeds far away from the parental plant, playing an important role in the natural ecosystem regeneration processes.
Fats, sugars, and proteins are important food molecules. Which statement about these types of molecules is true?
The statement "There are all macronutrients" is true about these types of molecules
What are macronutrients?Macronutrients, essential components required by the body in substantial quantities, furnish energy, foster tissue growth and mending, and govern physiological processes. The trio of primary macronutrients encompasses carbohydrates, protein, and fat.
The precise magnitude of macronutrient requisites relies on factors such as age, gender, physical exertion, and overall well-being of an individual.
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Complete question:
Fats, sugars, and proteins are important food molecules. Which statement about these types of molecules is true?
a. There are all macronutrients
b. Sugar makes one fat
c. Sugar is the only thing that makes you fat
Two factors that increase a
population are...
A. deaths and emigration.
B. births and deaths.
C. births and immigration.
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1. What is vestigial structure?
2. What is analogous structure?
3. What is homologous structure?
Answer:
1. What is vestigial structure?
Vestigial structures are structures that have no obvious purpose and appear to be leftover components from a previous progenitor. The human appendix, a snake's pelvic bone, and the wings of flightless birds are all examples of vestigial features.
2. What is analogous structure?
Analogous structures are characteristics of various species that are comparable in function but not necessarily in form, do not come from a shared ancestral feature (in contrast to homologous structures), and evolved in response to a similar environmental challenge.
3. What is homologous structure?
Homologous structures are physical traits that are comparable in species with a common ancestry but perform radically distinct purposes. The limbs of humans, cats, whales, and bats are examples of homologous structures.
What are the stages of bee development (eggs,larvae,pupae)
The stages of bee development are egg, larva, pupa, and adult. Eggs hatch into larvae, which then transform into pupae. Finally, adult bees emerge and undergo further maturation.
The stages of bee development are:
1. Egg: The bee life cycle begins when the queen bee lays an egg in a honeycomb cell.
2. Larva: The egg hatches into a larva, which is a legless, grub-like creature. The larva is fed a special diet called royal jelly, which stimulates its growth.
3. Pupa: The larva undergoes metamorphosis and transforms into a pupa. Inside the sealed cell, the pupa undergoes various changes, developing into an adult bee.
4. Adult Bee: After completing the pupal stage, the fully developed adult bee emerges from the cell. The bee then undergoes further maturation, such as its exoskeleton hardening, wings expanding, and adult coloration appearing.
It's important to note that there are three castes of bees: queen, worker, and drone. The development process for each caste is similar, but the diet and size of the cells they are raised in differ, leading to their distinct roles within the colony.
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The bar chart here shows the relative speed of light through different types of media, air, water, and oil. Using the representation shown here, predict the speed of light through different media. Select ALL that correctly predict the light’s speed. A. Light traveling through glass would have a speed slower than that of light in air. B. Light traveling through a vacuum would have a speed higher than that of light in air. C. Light traveling through quartz would be faster than all speeds shown through the selected media. D. Light traveling through translucent plastic would be faster than all shown speeds through the media listed. E. Light traveling through humid air would be slower than the light through air but faster than light through water shown here.
Based on the information in the chart, light traveling through glass would have a speed slower than that of light in the air (option A), and light traveling through a vacuum would have a speed higher than that of light in the air (option B).
How does the speed of light change depending on the medium?Based on the graph, the denser the medium is the slower the light moves. For example, light is much faster when traveling in the air than when traveling in oil. Due to this, the true statements are:
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2.The functions of the rough endoplasmic reticulum and the Golgi body are related because:
A .proteins synthesised by the rough endoplasmic reticulum are modified by the Golgi body
B .proteins synthesised by the Golgi body are modified by the rough endoplasmic reticulum
C. lipids synthesised by the Golgi body are modified by the rough endoplasmic reticulum
D .lipids synthesised by the rough endoplasmic reticulum are modified by the Golgi body
The functions of rough endoplasmic reticulum and Golgi body are related because A .proteins synthesised by the rough endoplasmic reticulum are modified by the Golgi body
Both the Golgi body and the rough endoplasmic reticulum (RER) are important in the production and processing of proteins. Ribosomes, which are found throughout the RER and produce proteins, are subsequently transferred into the lumen of the RER for further processing. These proteins are delivered by the RER to the Golgi body, where they are modified, sorted, and packaged for distribution to various locations inside cell or for secretion beyond it.
The Golgi body is in charge of altering proteins that the RER has synthesised. This might entail altering amino acids by adding or removing functional groups, adding carbohydrate chains to proteins to create glycoproteins, or chopping off pieces of proteins to create smaller peptides.
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Which of these organisms are one-celled? (Select all that apply.)
A.frog
B.paramecium
C.mosquito
D.bacteria
middle school
Answer:
B. paramecium
D. bacteria
Explanation:
These organisms are single celled because they only contain one cell.
discuss how you would go about teaching about, in and for the environment to address the challenge of biodiversity in school
Teaching about and for the environment, specifically addressing the challenge of biodiversity, is a crucial topic to raise awareness and empower students to become environmentally responsible individuals.
Some steps to consider when designing a curriculum or lesson plan for teaching about biodiversity in schools:
Establish learning objectives: Clearly define the goals you want to achieve through your teaching. These could include developing an understanding of biodiversity, its importance, and the threats it faces, as well as promoting an appreciation for nature and inspiring actions for conservation.
Provide foundational knowledge: Start by introducing the concept of biodiversity and explaining its significance in maintaining healthy ecosystems. Cover topics such as species diversity, genetic diversity, and ecosystem diversity. Use visual aids, videos, and interactive activities to engage students and make the information more accessible.
Explore local biodiversity: Help students understand how biodiversity relates to their own surroundings. Conduct field trips to nearby parks, nature reserves, or even the school grounds to observe and identify different species. Encourage students to document their findings through sketches, photographs, or field notes.
Study ecosystems and habitats: Explore various ecosystems such as forests, wetlands, coral reefs, or grasslands. Discuss the different species that inhabit these ecosystems, their interdependencies, and the role they play in maintaining ecological balance. Use case studies and real-life examples to illustrate the effects of habitat destruction, climate change, pollution, and invasive species on biodiversity.
Promote citizen science: Encourage students to actively participate in citizen science projects that contribute to biodiversity monitoring and conservation efforts. Provide guidance on how to identify and report species sightings, collect data, or engage in community initiatives. Online platforms like Naturalist and eBird can be valuable resources for students to contribute to real-world scientific research.
Discuss conservation strategies: Introduce students to various conservation approaches and strategies such as protected areas, habitat restoration, captive breeding programs, and sustainable practices. Explore success stories of conservation efforts and discuss the challenges faced in preserving biodiversity. Encourage students to think critically about potential solutions and their own roles in protecting the environment.
Encourage hands-on activities: Engage students in practical activities that foster a connection with nature and promote biodiversity conservation. Examples could include creating a school garden or wildlife-friendly spaces, participating in tree planting campaigns, or organizing awareness campaigns in the local community.
Foster a sense of responsibility: Help students understand the impact of individual actions on biodiversity. Discuss sustainable practices such as reducing waste, conserving energy and water, supporting local and organic food choices, and minimizing the use of harmful chemicals. Encourage students to make informed choices and be environmentally responsible citizens.
Remember to adapt the curriculum to suit the age group, cultural context, and available resources. By providing an engaging, hands-on learning experience and fostering a sense of responsibility, you can inspire the next generation to become stewards of biodiversity and the environment.
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Directions: The suggested time for answering this question is about 22 minutes. Where calculations are required, clearly show how you arrived at your answer. Where explanation or discussion is required, support your answers with relevant information and/or specific examples.
The term “urban sprawl” describes the expansion of cities into rural areas. This phenomenon has occurred around the world and has had economic, health, and environmental consequences.
Describe TWO causes of urban sprawl.
Discuss TWO human health effects associated with urban sprawl.
The graph below shows the relationship between population density and petroleum use in selected cities.
Describe the relationship between population density and petroleum use shown in the graph.
A graph is shown of petroleum use. The y-axis is relative annual per capita petroleum use with no numbers on the axis. The x-axis is density in persons per hectare, which goes from 0 to 300 in increments of 50. A curve is drawn starting at the top of the y-axis and is decreasing and concave up with increasing density. The curve appears to asymptote along the x-axis and is relatively flat by about 200 persons per hectare. There are points that lie close to the curve indicating where particular cities fall. The first four cities at the top of the curve, which are both below 50 persons per hectare, are Houston, Los Angeles, Washington, and New York. Below New York a horizontal line is drawn indicating that the cities about this line are in the United States. Below this line but above the next horizontal line are Melbourne, Sydney, and Toronto, all around 50 persons per hectare. The cities between these horizontal lines are indicated to be in Australia and Canada. Below the second line but above the third line are Paris, London, and Vienna, from about 75 to 150 persons per hectare. The cities between these lines are indicated to be in Europe. Below the third horizontal line but above the x-axis are Tokyo, Moscow, and Hong Kong from about 150 to 275 persons per hectare, and the cities in this area are from East Asia and Russia.
Smart growth focuses on ways to encourage sustainable urban development. Describe TWO steps a municipality could take to encourage smart growth in order to limit urban sprawl.
Highway systems and urban sprawl often threaten wildlife populations. Describe TWO methods to reduce harmful effects on wildlife populations from highways and urban sprawl.
Urban sprawl often results in the loss of productive agricultural land near cities. Describe one practical way to increase food production within urban areas.
Answer:
Causes of Urban Sprawl:
Population Growth: Rapid population growth is a significant cause of urban sprawl. As cities experience an increase in population, there is a greater demand for housing and infrastructure, leading to the expansion of urban areas into previously rural or undeveloped lands.
Transportation Infrastructure: The development of transportation infrastructure, such as highways and roads, can contribute to urban sprawl. Improved accessibility and connectivity provided by these infrastructures often lead to the outward expansion of cities as people choose to live farther away from city centers.
Human Health Effects Associated with Urban Sprawl:
Sedentary Lifestyle and Obesity: Urban sprawl often leads to increased reliance on private vehicles and longer commuting distances. This sedentary lifestyle, coupled with the lack of pedestrian-friendly infrastructure, can contribute to a decrease in physical activity and an increased risk of obesity among residents.
Air Pollution and Respiratory Issues: Urban sprawl is associated with increased vehicular emissions, leading to poor air quality. Exposure to high levels of air pollution can cause respiratory problems, such as asthma and other respiratory diseases, impacting the health of individuals residing in these areas.
Relationship between Population Density and Petroleum Use:
The graph illustrates that there is an inverse relationship between population density and petroleum use. As population density increases, per capita petroleum use tends to decrease. This relationship suggests that higher population density is associated with more efficient use of petroleum resources, potentially due to factors such as improved public transportation systems, shorter commuting distances, and increased availability of alternative modes of transportation. The graph indicates that cities with higher population density tend to have lower per capita petroleum use, while cities with lower population density exhibit higher per capita petroleum use.
Steps to Encourage Smart Growth and Limit Urban Sprawl:
Mixed-Use Development: Municipalities can encourage mixed-use development, which involves integrating residential, commercial, and recreational spaces within the same area. This approach reduces the need for long commutes and promotes walkability, thereby limiting urban sprawl.
Transit-Oriented Development: Promoting transit-oriented development focuses on creating compact, vibrant communities around public transportation hubs. By providing easy access to public transit options, municipalities can encourage residents to rely less on private vehicles, reducing congestion and the need for expansive road networks.
Methods to Reduce Harmful Effects on Wildlife Populations:
Wildlife Corridors: Establishing wildlife corridors or green belts can mitigate the negative impacts of highways and urban sprawl on wildlife populations. These corridors provide protected pathways for wildlife to move between fragmented habitats, reducing habitat fragmentation and enhancing biodiversity conservation.
Eco-Friendly Infrastructure Design: Implementing wildlife-friendly infrastructure design features such as wildlife crossings, underpasses, and fencing can help prevent wildlife-vehicle collisions. These measures allow animals to safely traverse across highways and urban areas, minimizing the detrimental effects on wildlife populations.
Increasing Food Production within Urban Areas:
One practical way to increase food production within urban areas is through the implementation of urban agriculture initiatives. This can involve utilizing rooftops, balconies, community gardens, and vacant lots to cultivate crops, raise livestock, or engage in aquaculture. Urban agriculture not only increases local food production but also promotes food security, community engagement, and environmental sustainability by reducing the carbon footprint associated with long-distance food transportation.
By adopting smart growth strategies, addressing the impacts of urban sprawl on wildlife and implementing urban agriculture initiatives, municipalities can actively promote sustainable and resilient urban development.
The what gases are filled with how many valence electrons?
Answer and Explanation:
The noble gases have eight valence electrons with the exception of helium, which has only two total electrons. Electrons are the negatively charged particles that orbit the nucleus of an atom in different energy levels.
Complete the statement to describe the calcium concentration that must be maintained in human body cells. The calcium concentration must be greater the cell than the cell.
Answer:
outside the cell than inside the cell
Explanation:
Answer:
abovoe me is correct!
Explanation:
Which energy-yielding nutrients are found in part of the structural component of muscles and help regulate
digestion?
O a. vitamins and minerals
O b.proteins
O c. fats
O d. alcohols
O e. carbohydrates
Protein is the energy-yielding nutrients are found in part of the structural
component of muscles and help regulate digestion.
What is Protein?
Protein is an biological compound which is composed of two or chains of
amino acids and commonly found in cells.
Protein is referred to an energy-yielding nutrient and helps in the growth
and replacement of worn-out tissues. It is also helps in digestion regulation
through the enzymes present i n the body.
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Natural selection is best described as ________
a. disruptive selection
b. stabilizing selection
C. a mechanism of evolution
d. directional selection
Answer:
a. disruptive selection
Answer:
Correct Answer is Option C
C. Mechanism of evolution
why are earth and moon roughly the same age as the rest of the solar system ?
Answer:
Our solar system and everything in it was created at roughly the same time.
Explanation:
The Big Bang theory
The Moon is about 4.51 billion years old – significantly older than previously thought. Previous studies had suggested that it formed about 150 million years after the solar system.
Why is there no change in the moon's surface for billions of years?Eventually, erosion can break a crater down to virtually nothing. The Moon has almost no erosion because it has no atmosphere. That means it has no wind, it has no weather, and it certainly has no plants. Almost nothing can remove marks on its surface once they are made.
How was the Earth and moon formed?The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing planets, including one last giant impact that threw enough rock, gas, and dust into space to form the moon.
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what is the minimum weight that requires 2 people to lift a dog
Which is required for both anaerobic respiration and aerobic respiration?
oxygen
water
mitochondria
glucose
Answer:
oxygen is required for respiration and aerobic respiration
the lungs consist of various tissue types. these tissues include elastic connective tissue and endothelial tissue, which makes up the walls of capillaries.
which of the following statements supports the claim that the lungs carry out their activities as a result of the integrated activity of their tissues?
choose 1 answer:
(A)
elastic connective tissue allows the lungs to expand and contract, which helps oxygen move through capillary endothelial tissue into the bloodstream.
(B)
fibroblast cells produce proteins that provide the walls of the lungs with elasticity and structural support.
(C)
in addition to elastic connective tissue, the lungs also contain dense connective tissue and lymphoid tissue.
The following statement which supports the claim that the lungs carry out their activities as a result of the integrated activity of their tissues is that Elastic connective tissue allows the lungs to expand and contract, which helps oxygen move through capillary endothelial tissue into the bloodstream which is denoted as option A.
What is Lungs?This is referred to as a pair of organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body.
The elastic tissues present in the lungs is what makes it to expand and contract when breathing occurs thereby leading to the movement of oxygen into the body cells.
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If someone says that taking vitamin C is correlated with fewer cold symptorns, you shouldSelect one:a. remember that correlation is not causation and look for more evidence regarding vitamin C and coldsb. assume that vitamin C is the cause of the lack of cold symptomsC.assume that colds are caused by not taking vitamin CD all of these
Correlation is a statistical method used to proof the relationship between two quantitave or categorical variables. It does not establish causality between the variables. All you can conclude from the statement is that "taking vitamin C" and "the decrease of cold symtoms" are somewhat related.
To determine the nature of the relationship you need to do further investigation.
The correct answer is a.
Based on the data in the tables above, which of the following statements provides the best prediction for the boiling
point of NaCl?
(A)
(B)
(C)
(D)
NaCl will have a lower boiling point than NaF because the coulombic attractions are weaker in NaCl than in
NaF.
NaCl will have a boiling point between that of NaF and MgO because the covalent character of the bonds in
NaCl is intermediate between that of MgO and NaF.
NaCl will have a higher boiling point than MgO because the ions are spaced farther apart in NaCl.
NaCl will have a higher boiling point than MgO because the energy required to transfer electrons from the
anion to the cation is larger in NaCl than in MgO.
Answer:
NaCl will have a lower boiling point than NaF because the coulomb jc attractions are weaker in NaCl than in NaF
Explanation:
Because the ions in NaCl are further distant from one another than those in MgO, NaCl will have a higher boiling point.
Why is the boiling point of nonane so high?NaCl has a greater boiling point than MgO because its ions are wider apart from one another.Due to its longer carbon chain than octane, nonane will have a higher boiling point. Since octane branches less than 2,2,3,3-tetramethylbutane, it has a bigger "surface area" and stronger van der Waals forces, which will cause it to boil at a higher temperature.London dispersion forces are stronger in liquid I2 because I2 molecules have more polarizable electron clouds than Br2 molecules do.Distillation. Distillation is a process of separation based on variations in the boiling points of compounds, as explained in analysis: Interference removal: Distillation.The fact that larger molecules of the same kind have greater boiling points than smaller ones suggests that dispersion forces rise with mass, number of electrons, number of atoms, or some combination of these.To learn more about MgO, NaCl will have a higher boiling point refer to:
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You are a population ecologist studying white-tailed deer populations in your state. Populations have been growing exponentially for some time, and food is becoming a limiting factor. Many deer are dying of starvation, and others are in bad health. What do you recommend to state officials? Should people intervene and try to limit deer populations through relocation or hunting? Or should they do nothing and wait for the population to regulate itself? Explain your reasoning.
As a population ecologist, one would recommend that state officials intervene and limit the deer population through a combination of hunting and relocation programs because the starvation indicates that the population has exceeded the carrying capacity of the environment.
What is the significance of the population ecologist?
The population ecologist maintains the different populations and studies them, and in the deer population, the hunting and relocation programs can be designed to target specific age and sex classes of deer, allowing for the maintenance of a healthy and sustainable population.
Hence, as a population ecologist, one would recommend that state officials intervene and limit the deer population through a combination of hunting and relocation programs because the starvation indicates that the population has exceeded the carrying capacity of the environment.
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What powers a cell???????????
Describe different ways that cell shape can be modified so that diffusion time will be decreased to support life processes.
Match the correct definition to the correct term.
Question 1 options:
4
hypothesis
theory
matter
energy
kilogram
SI system
universal law
physical science
model
1.
the branch of study that includes physics and chemistry
2.
takes up space and has mass
3.
the capacity or ability to do work
4.
testable guess that can be expressed as an "if-then" statement
5.
a scientific explanation that has been repeatedly confirmed
6.
a principle that is in effect always and everywhere
7.
an artificial representation of a real system or process
8.
the standard units in scientific and technical pursuits
9.
the base unit for mass in the SI system
hypothesis- testable guess that can be expressed as an "if-then" statement theory - a scientific explanation that has been repeatedly confirmed matter-takes up space and has mass energy-the capacity or ability to do work
kilogram-the standard units in scientific and technical pursuits SI system -the base unit for mass in the SI system. universal law-a principle that is in effect always and everywhere.
physical science-the branch of study that includes physics and chemistry model-an artificial representation of a real system or process
What is Theory ?A principle formed to explain things, certain phenomena, or fact which was validated previously known as Theory.
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