Answer:
C. It can help conserve Earth's soil and water while increasing soil fertility.
Explanation:
"Tilling increases soil erosion and reduces the amount of water that can be absorbed by the soil. This means tilling causes soil and water to be lost to the environment. As a result, farmers have to use more of these resources. No-till farming prevents these losses, so no-till farming can help conserve Earth's soil and water.
Tilling can also make the soil less fertile by removing some microbes and earthworms. No-till farming helps the soil keep the microbes and animals it needs to be productive. So, no-till farming also increases soil fertility."
-Study Island
Which kingdom am I?
Volvox are found in
puddles, ditches, and
shallow ponds. They
have flagella (whip-like
tail) for movement
through water.
Answer:
The correct answer is - Plantae
Explanation:
Volvox belongs to green algae found in the ditches, puddles, or shallow water that comes under the class of Chlorophyceae. This class is under the Chlorophyta phylum of the planate kingdom.
Volvox are algae that have a special type of flagella that looks as whip-like tail that helps in the movent in the water they found.
Answer:
Plantae
Explanation:
I got this on a quiz TRUST MEE :)
the decline in an individual's fertility, with a corresponding decrease in the likelihood of survival, is known as
The decline in an individual's fertility, with a corresponding decrease in the likelihood of survival, is known as senescence.
Senescence is a biological process that results in the physical and mental deterioration of an organism as it ages. It refers to the gradual decline in biological function that occurs over time, as well as the gradual decrease in reproductive capacity that accompanies this decline.
In humans, the symptoms of senescence include wrinkles, gray hair, and decreased mobility, as well as a decrease in the immune system's ability to combat disease. This process is thought to be caused by the gradual accumulation of cellular damage over time, as well as the accumulation of other environmental stressors.
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The author's tone in this passage is best described as
A. sarcastic and doctrinaire
B. analytical and scholarly
C. expository and harsh
D. indulgent and condescending
E. capricious and sentimental
The author's tone in this passage is best described as analytical and scholarly. Correct option is B.
Keep in mind that with this kind of question, you can rule out the entire response if you can determine that half of it is incorrect. As a result, you can rule out (A) because "sarcastic" seems completely out of context, (C) because "harsh" is improper, and (E) because the usage of "sentimental" (or "capricious") disqualifies you. Although it might not be unfair to suggest that the author of the text is a little indulgent, it would be incorrect to imply that he is condescending; the author seems to really enjoy and admire some features of Browne's approach. In fact, he conducts a thorough analysis of the style, making (B) the ideal response.
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a phylogenetic tree shows that birds and crocodiles share many features. a hypothesis based on this tree predicts that these features are present in a common ancestor. which of these predicted traits is supported by fossil evidence? eggs and nests four-chambered heart singing to attract mates singing for territory
The feature that is supported by fossil evidence is "eggs and nests". Option A is correct.
Based on the phylogenetic tree, the hypothesis predicts that birds and crocodiles share many features because they inherited them from a common ancestor. To determine which of these predicted traits is supported by fossil evidence, we need to look for evidence of these traits in the fossils of the common ancestor of birds and crocodiles.
Out of the options provided, the feature that is supported by fossil evidence is "eggs and nests". Fossil evidence shows that the common ancestor of birds and crocodiles laid eggs and constructed nests to protect their eggs, which is a shared trait between birds and crocodiles.
The other options, "four-chambered heart" and "singing to attract mates or territory," cannot be directly supported by fossil evidence because they are soft tissue features that do not typically preserve well in fossils. However, genetic and anatomical studies suggest that birds and crocodiles do share a four-chambered heart, while singing is a behavior that may have evolved independently in birds and crocodiles after they diverged from their common ancestor.
Hence, A. is the correct option.
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--The given question is incomplete, the complete question is
"A phylogenetic tree shows that birds and crocodiles share many features. a hypothesis based on this tree predicts that these features are present in a common ancestor. which of these predicted traits is supported by fossil evidence? A) eggs and nests B) four-chambered heart C) singing to attract mates D) singing for territory."--
In an experiment, researchers find that certain neurons in the visual cortex preferentially fire in response to a bar of light that is oriented at a specific angle, and that different neurons similarly respond to bars of light oriented at different angles. This finding provides the strongest evidence for:
Answer:
Feature detection
Explanation:
Feature detection involves different neurons that are activated in response to specific stimuli. For example, feature detectors are activated in the cerebral cortex through visual stimuli of specific shapes or patterns. These neurons become more and more complex as the stimuli also become progressively more complex and specific. Featured detector neurons have been identified in the toad vision, where they have been involved in the toad's behavior in response to worm-like moving stimuli (e.g., orienting), and the bat auditory cortex, where they have been involved in the measurement of the distance between the bat and its prey.
I need help please it’s for today with an explanation if not much to ask.
The value of \(\frac{2y}{x^{-3} }\) would be -64.
Evaluation of algebraic equationThe value of x = -2
The value of y = 4
We are to evaluate the value of \(\frac{2y}{x^{-3} }\).
Let's do this by substituting the values of x and y.
= 2(4)/-2^-3 = 8/-0.125
= -64
In other words, if x = -2, and y = 4, the value of \(\frac{2y}{x^{-3} }\) would be -64.
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Which three processes are methods of genetic recombination?
w
O natural selection, crossing over, and independent assortment
crossing over, independent assortment, and fertilization
O independent assortment, fertilization, and natural selection
O fertilization, natural selection, and crossing over
Answer:
crossing over, independent assortment and fertilization
Explanation:
Genetic recombination is the production of offspring.which possess combination of traits that differ from those found in either of the parents
The three processes that are the methods of genetic recombination are as follows:
Crossing over, independent assortment, and fertilization.Thus, the correct option is B.
What is Genetic recombination?Genetic recombination may be defined as the process through which the interchange of genetic material between different organisms occurs that leads to the production of offspring with combinations of traits that are not exactly identical to their parents.
Natural selection does not lead to genetic recombination among individuals. It may be characterized as the process in nature through which diverse organisms better adapted to their environment tend to survive and reproduce more than those less adapted to their environment.
While the processes like crossing over, fertilization, and independent assortments are the methods that significantly lead to the genetic recombination among organisms.
Therefore, the correct option for this question is B.
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Discuss the function of hemoglobin in human body and the consequences of hemoglobin
deficiency
Hemoglobin: The high iron-containing protein in red blood cells (RBCs) is known as hemoglobin. This gives the blood a red color.
It has two main functions: it carries oxygen from the lungs to tissues of the body, and it carries carbon dioxide from cells back to the lungs for excretion.
Functions of hemoglobin:
Hemoglobin is the main reason for the red color in our blood.Hemoglobin carries oxygen and carbon dioxide. Hemoglobin interacts with other ligands.Hemoglobin plays a crucial role in maintaining the shape of red blood cells.Consequences of hemoglobin deficiency:
Hemoglobin deficiency leads to having fewer red blood cells and causes anemia.It is found in red blood cells and acts as a carrier of oxygen and carbon dioxide.Low levels of hemoglobin in the blood cause parts of the body to function more slowly and weaken due to reduced oxygenation.Hemoglobin deficiency reduces the blood's oxygen-carrying capacity.
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I need help with this practice problem Fill in the blanks
Solid fossil fuel are formed over millions of years by decay of land vegatation or plant remains. When the layers are settled and heated, coal is produced as deposits. Fossil fuels are burned to produce energy. Power plants burn coal or oil to build heat that is consequently used to make steam to drive turbines which generate electricity.
Answer - Solid fosiil fuel formed from decay of land vegetation or plant remains. Produces energy when burned.
a study was conducted to understand the factors controlling the rate at which molecules or ions travel across cell membranes. an artificial membrane was created that was composed of a phospholipid bilayer only. the speed at which various substances crossed this membrane was measured. some substances can pass through an actual cell membrane much faster than they passed through the artificial membrane in this study. which of the following statements best explains this finding? responses
The factors controlling the rate at which molecules or ions travel across cell membranes depend on the membrane composition.
The artificial membrane used in the study was composed of a phospholipid bilayer only, and the speed at which various substances crossed this membrane was measured. In contrast, an actual cell membrane contains a variety of proteins, lipids, and other components, some of which facilitate the passage of certain molecules or ions.
Thus, the artificial membrane was not able to simulate the full range of transport mechanisms that exist in an actual cell membrane, and this explains why some substances could pass through an actual cell membrane much faster than they passed through the artificial membrane in the study.
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Mueller-Hinton agar plates are poured to a uniform thickness of 4mm. Zone size interpretive criteria are based on Mueller-Hinton plates of this thickness. If a plate had been poured that was 7 mm thick, how would this affect the size of the zones of inhibitio
If a 7mm thick plate had been poured, this would affect the size of the inhibition zones, because the inhibition area would be smaller as a greater thickness would require more drugs in the same area.
What is Diffusion Disk?It is one of the simplest, most reliable and most used susceptibility methods in microbiology laboratories. Its basic principle is the diffusion of the antimicrobial on the surface of the agar, from a disk impregnated with the same antimicrobial.
With this information, we can conclude that if a 7mm thick plate had been poured, this would affect the size of the inhibition zones, because the inhibition area would be smaller as a greater thickness would require more drugs in the same area.
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HELP PLEASE WILL GIVE POINTS FOR VOLCANOS DRAG AND DROP USE ATTACHMENT PLEASE
Answer:fissure (g) evacuate (b) magma (c) lava (h)
Explanation:
cells only keep a small amount of _____ on hand and regenerate it as needed using energy stored in carbohydrates and other molecules.
Answer:
ATP is your answer
Explanation:
What does heat capacity mean in your own words ?? Please helpppo!
Answer:
heat capacity is how much heat can be taken
Why does species outside the quadrat doesn't matter?
the increase in farm productivity as a result of the invention of the harvester and other farm equipment has:
The increase in farm productivity as a result of the invention of the harvester and other farm equipment has significantly improved efficiency, reduced labor requirements, and increased crop yields.
The invention of the harvester and other farm equipment has revolutionized agricultural practices by automating and streamlining various tasks. These technological advancements have led to increased farm productivity in multiple ways. The harvester, for instance, has mechanized the process of harvesting crops, reducing the need for manual labor and making it more efficient.
Additionally, other farm equipment such as tractors and irrigation systems have improved efficiency in planting, cultivation, and irrigation, further enhancing productivity. By reducing labor requirements and increasing the speed and accuracy of farming operations, these inventions have played a pivotal role in boosting crop yields and overall farm productivity.
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How is the loss of a keystone species from an ecosystem similar to the loss of an indicator species.
Answer:
Loss of a keystone species or indicator species help in indications for some type of environmental condition, however, the loss of the indicator species takes place due to some change whereas the keystone species is itself affects the particular ecosystem.
Explanation:
the single greatest cause of gastroenteritis is a. escherichia coli b. salmonella enterica c. rotavirus and other viral types d. shigella flexneri e. staphylococcus aureus
Rotavirus and other viral types is the single greatest cause of gastroenteritis. Option c is Correct.
Gastroenteritis is an inflammation of the stomach and intestines that can cause symptoms such as diarrhea, vomiting, abdominal cramps, and fever. It can be caused by a variety of factors, including viruses, bacteria, and parasites. Rotavirus is a type of virus that is a common cause of gastroenteritis in children. It is highly contagious and can be spread through contact with contaminated surfaces or fecal matter. Other viral types that can cause gastroenteritis include norovirus and adenovirus.
Bacteria, such as Salmonella enterica and Shigella flexneri, can also cause gastroenteritis. These bacteria are typically spread through contaminated food or water. While there are other factors that can contribute to gastroenteritis, such as parasites and chemical contaminants, rotavirus and other viral types are the single greatest cause of the condition. Option c is Correct.
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Please send me an answer quick I will really appreciate it. By the way this is a science question just click on the picture and you will see the whole question. Thank you. :)
Answer:
Hypothesis: The more light there is, the better the plant will grow
Explanation:
Name all the areas of the nephron that secretion takes
place:
The areas of the nephron where secretion takes place are the proximal convoluted tubule, the distal convoluted tubule, and the collecting duct.
The proximal convoluted tubule (PCT) is the nephron's initial segment. It is made up of a single layer of epithelial cells that form a lumen. The primary function of the PCT is to reabsorb essential substances, such as water and sodium ions, from the filtrate, which moves to the loop of Henle as tubular fluid. Secretion also occurs here, primarily for hydrogen and ammonium ions, as well as other waste materials.
Distal convoluted tubule: The distal convoluted tubule (DCT) is a portion of the kidney's nephron that lies between the loop of Henle's ascending limb and the collecting duct. The primary function of the DCT is to regulate the body's pH level and water content. The DCT secretes hydrogen ions, potassium ions, and organic ions that are not useful to the body. It absorbs sodium and water into the body's bloodstream while concurrently secreting potassium ions into the tubular fluid.
The collecting duct, which is the final part of the kidney's nephron, aids in the reabsorption of water and sodium ions. It's also where the last of the tubular fluid gets converted into urine. The collecting duct transports this urine to the renal pelvis through the renal papilla, which is the opening of the renal pyramid. The primary function of the collecting duct is to maintain the body's salt and water balance, which is crucial for regulating blood pressure and volume.
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What best describes the role of chromosomes in the nucleus of a cell
The chromosomes in the nucleus of a cell act as a storage unit for genetic information, and they play a vital role in cell division and replication.
During cell division, the chromosomes divide and replicate, allowing the genetic material to be evenly distributed among the new cells. Chromosomes play a crucial role in the transmission of genetic information from parent to offspring. They carry genes, which are segments of DNA that code for specific traits. When a cell divides, the chromosomes ensure that each new cell receives an identical copy of the genetic material. The number and structure of chromosomes vary among different organisms. For example, humans have 46 chromosomes, while dogs have 78 chromosomes. Some organisms, such as bacteria, have a single circular chromosome. Other organisms, such as fruit flies, have many different chromosomes. Chromosomes can be studied and analyzed in various ways, including karyotyping and chromosomal mapping. These techniques help scientists understand the genetic basis of inherited diseases and other genetic traits.
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4. How does the description of chores in paragraph 3
contribute to the author's explanation of division of
labor?
OA. It explains that the division of chores in a household
is how cells split into different pieces.
OB. It reveals that responsibility is stressful and workers
often divide their workload to finish quickly.
OC. It explains how work can get done more quickly
when it is divided between many workers.
OD. It demonstrates that workers paying attention to
details is more important than finishing a job quickly.
THINGS GET MORE COMPLICATED WHEN YOU’RE OLDER
ON COMMON LIT
The description of chores in paragraph 3
contributes to the author's explanation of division of labor through option C. It explains how work can get done more quickly when it is divided between many workers.
What is division of labor?Division of labor is the practice of breaking down a complex task or job into smaller, more specialized tasks or sub-tasks.
This allows each person or group to focus on a specific part of the job, using their skills and expertise to perform that task more efficiently and effectively than if they were responsible for the entire job themselves.
It is often seen as a key driver of economic growth and productivity.
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histones have been found in both archaeal and eukaryal species. what is on difference between archaeal and eukaryal species
Histones have been found in both archaeal and eukarya species. There are two histones in archaeal species, four in eukaryal species, is the difference between archaeal and eukaryal species.
All living species are regularly classified into three primary domains based on DNA sequence comparisons and structural and biochemical comparisons: Bacteria, Archaea, and Eukarya. Bacteria and Archaea are both prokaryotes, which are single-celled microorganisms with no nuclei, whereas Eukarya includes ourselves and all other animals, plants, fungi, and single-celled protists, which are all organisms with nuclei that separate their DNA from the rest of the cell. The fossil record reveals that the first living species were prokaryotes (Bacteria and Archaea), while eukaryotes evolved a billion years later. Based on the type of cell in the organism, all life can be categorised into three domains: Archaea cells lack a nucleus and have a distinct cell wall than bacteria. Eukarya: cells have a nucleus.
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28. The phases for Meiosis II are:
Part I Illuminating Photosynthesis #1 : Fill in this concept map depicting the major steps in photosynthesis in the chloroplast H20 of Photosystem I transfers Word Bank Electron Transport Chain ATP Synthase Calvin Cycle Light NADPH Chlorophyll Protons CO2 Photosystem II Electrons 02 to produce ATP G3P (Sugar Building Block) #2 : Fill in the table: Major Steps in Does this step depend on Experimental variable to What would happen if an Photosynthesis any other step? How? measure? herbicide disrupted this Photosystem II Photosystem l ATP Synthase Calvin Cycle
Photosynthesis in chloroplasts involves major steps such as light absorption, electron transport, ATP synthesis, and carbon fixation. It begins with light-dependent reactions in photosystems I and II, followed by electron transport and ATP synthesis.
Step 1: Photosynthesis is a complex process that occurs in the chloroplasts of plants, involving several major steps such as light absorption, electron transport, ATP synthesis, and carbon fixation.
Step 2:Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose. It occurs in the chloroplasts, specifically in three main stages: light-dependent reactions, electron transport chain, and the Calvin cycle.
During the light-dependent reactions, light energy is absorbed by chlorophyll molecules in photosystem II (PSII) and photosystem I (PSI). In PSII, water molecules are split, releasing electrons, protons (H+ ions), and oxygen. The electrons move through an electron transport chain, creating a proton gradient across the thylakoid membrane. This gradient is essential for ATP synthesis by ATP synthase, using the energy from the electron flow.
In PSI, electrons are re-energized by absorbing more light energy and are ultimately used to produce NADPH, another energy carrier. The ATP and NADPH generated in the light-dependent reactions are then used in the Calvin cycle.
The Calvin cycle, also known as the light-independent reactions or carbon fixation, occurs in the stroma of the chloroplast. It uses ATP, NADPH, and carbon dioxide (CO2) to produce glucose (G3P), which serves as a building block for sugars and other organic compounds. The cycle regenerates the starting molecule, ribulose bisphosphate (RuBP), allowing the process to continue.
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1. State Mendel's Law of Inheritance.
2. What are the two alleles for flower color in snapdragon?
3. State the Law of Non-Mendelian Inheritance in snapdragon.
Answer:
1
Explanation:
he was able to find chromosomes in plants
Gregor Mendel's research on pea plants led him to the fundamental ideas of inheritance. He came to the conclusion that genes are inherited as distinct, paired units from each parent.
What is Non-Mendelian Inheritance?
Inheritance of features with a more complicated genetic base than one gene with two alleles and total dominance is referred to as non-Mendelian inheritance.
One allele may not always be dominant over another, resulting in a phenotype that falls between the two parents in certain people.
Incomplete dominance is the name given to this inheritance pattern. Snapdragon flowers, for instance, exhibit partial dominance.
When both alleles are present at the same time, this pattern of inheritance is referred to as partial dominance, since neither allele is totally dominant over the other.
Therefore, red and white snapdragons cross to produce exclusively pink progeny.
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depending on the environment, a spadefoot toad tadpole will develop one of two different body shapes. this is called allometry ontogeny senescence polymorphism
Depending on the environment, a spadefoot toad tadpole developing one of two different body shapes, this is called d. polymorphism.
Polymorphism refers to the existence of multiple forms or types of an organism within a single species, often resulting from genetic variation and environmental factors. In the case of the spadefoot toad tadpoles, the environmental conditions play a significant role in determining their body shapes, which ultimately helps them adapt and survive in their specific habitats. Allometry, ontogeny, and senescence are related terms but not the correct answer to your question.
Allometry refers to the relationship between the size of an organism and the size of its various parts or features. Ontogeny, on the other hand, deals with the development and growth of an individual organism from its conception to its maturity. Senescence is the process of aging and deterioration that occurs in living organisms as they grow older. In conclusion, the correct answer is d. polymorphism, spadefoot toad tadpoles exhibit polymorphism by developing different body shapes depending on their environment, which allows them to better adapt to their surroundings and improve their chances of survival.
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Which statement is the best description of an ecosystem?
Answer:
biological community of interacting organisms and their physical environment
true or false your body's first line of defense against pathogens includes phagocytosis and fever
Answer:
true
hope this helps :)
Explanation:
Your body's first line of defense would be mucous membranes, which prevent bacteria from entering the body.The immune system uses phagocytosis when the cell is trying to destroy something, like a virus or an infected cell.
what is the function of the peroxisome in the eukaryotic cell?
The peroxisome is an organelle present in the eukaryotic cell that functions in the degradation of long-chain fatty acids, detoxification of harmful substances, and the synthesis of plasmalogens.
Peroxisomes are tiny, single membrane-bound organelles located in the cytoplasm of eukaryotic cells. The organelle was discovered in 1954 by the Belgian biologist Christian de Duve.
Peroxisomes have a variety of functions, including the synthesis and breakdown of fatty acids, detoxification of toxic compounds, and regulation of reactive oxygen species (ROS). The presence of enzymes such as catalase, oxidase, and reductase inside the peroxisome helps to break down hydrogen peroxide. Oxidation reactions of fatty acids occur in the peroxisomes. Peroxisomes are also involved in the synthesis of plasmalogens, which are important components of cell membranes. They are important in the metabolic breakdown of fats and lipids, as well as the breakdown of certain amino acids.
The function of the peroxisome in the eukaryotic cell is to perform the oxidation of very long-chain fatty acids, as well as to participate in the detoxification of toxic compounds such as alcohols, phenols, and formaldehyde. It can also synthesize plasmalogens that are crucial components of cell membranes.
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