5.
A student hypothesized that lettuce seeds.
would not germinate (begin to grow) unless
they were covered with soil. The student
planted 10 lettuce seeds under a layer of soil
and scattered 10 lettuce seeds on top of the
soil. The data collected are shown in the
accompanying table.
Data Table
Seed Treatment
Planted under soil
Scattered on top of soil
Number of Seeds
Germinated
9
8
To improve the reliability of these results, the
student should
A. conclude that darkness is necessary for
lettuce seed germination.
B. conclude that light is necessary for lettuce
seed germination
C. revise the hypothesis
D. repeat the experiment using a larger sample
size

Answers

Answer 1

To improve the reliability of these results, the student should repeat the experiment using a larger sample size (Option D).

Based on the data, 9 out of 10 seeds germinated when planted under the soil, and 8 out of 10 germinated when scattered on top of the soil.

The student's hypothesis that lettuce seeds wouldn't germinate without soil coverage is disproven by the results.

However, to improve the reliability and conclusiveness of the results, the student should repeat the experiment using a larger sample size (Option D).

This would allow for more data points, reducing the impact of any outliers or random occurrences and providing a more accurate representation of the germination process.

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The probable question may be "What other factors could potentially affect the germination rate of lettuce seeds, and how could they be controlled in future experiments to improve the accuracy of the results?"


Related Questions

could i get some help matching these

could i get some help matching these
could i get some help matching these
could i get some help matching these

Answers

Answer:

nucleus circle thats all i know srry

Explanation:

Which of these factors would most likely strengthen the effectiveness of

Answers

Answer:

Which of these factors would most likely strengthen the effectiveness of CITES?

Answer: Funding for on-the-ground enforcement

Similarities and between temperate grasslands and tropical grassland

Answers

Temperate grasslands and tropical grasslands (also known as savannas) share several similarities, including: Grasses, climate, biodiversity and agriculture.

What is the role of agriculture ?

It is basic of any field thus we can say no food no life.

Grasses: Both types of grasslands are characterized by a dominance of grasses, with few trees or shrubs.

Climate: Both temperate and tropical grasslands are located in areas with a distinct dry season and receive limited rainfall throughout the year.

Biodiversity: Grasslands support a unique assemblage of wildlife, with many species adapted to living in open, grassy habitats.

Importance for agriculture: Both types of grasslands are important for agriculture, with many crops grown in these areas.

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List ways we can deal with invasive species?

( I know this is simple but like I'm too lazy to do it rn)

Answers

Clean your hiking and fishing gear. ...
Don't move firewood. ...
Fish using native bait when possible. ...
Volunteer at removal efforts. ...
Talk to your local nursery when selecting plants for your garden. ...
Clean your boat before transferring to a new body of water.

At a ph of 7.00 , the ratio of protonated his molecules to deprotonated his molecules is:_________

Answers

At a pH of 7.00, the ratio of protonated His molecules (HisH⁺) to deprotonated His molecules (His⁻) is 1:1.

At a pH of 7.00, the environment is considered neutral. In the case of histidine (His), it can exist in two different forms: protonated (HisH⁺) and deprotonated (His⁻). The pH of a solution determines the concentration of hydrogen ions (H⁺) present, which affects the protonation state of histidine.

At pH 7.00, where the concentration of H⁺ is equal to 10⁻⁷ moles per liter, the ratio of HisH⁺ to His⁻ is 1:1. This means that roughly half of the histidine molecules will be protonated (HisH⁺), and the other half will be deprotonated (His⁻).

This equilibrium between protonation and deprotonation of histidine is crucial for its role in various biochemical processes, including enzymatic reactions and protein interactions, where the charge state of histidine can influence its function.

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a living organism that possesses a novel combination of genetic material obtained through the use of modern biotechnology

Answers

A living organism that possesses a novel combination of genetic material obtained through the use of modern biotechnology refers to a genetically modified organism (GMO).  GMO has been engineered to exhibit new traits or characteristics that can be beneficial for various purposes, such as increased crop yields or improved resistance to environmental stressors.

The process goes as follows:

1. Living organism: This refers to any organism that exhibits the characteristics of life, such as growth, reproduction, and metabolism. Examples include plants, animals, and microorganisms.

2. Novel combination: This implies the introduction of new or unique genetic traits that were not previously present in the organism's natural genetic makeup.

3. Genetic material: This refers to the DNA (deoxyribonucleic acid) of an organism, which carries the instructions for the development, functioning, and reproduction of the organism.

4. Modern biotechnology: This involves the use of advanced scientific techniques and technologies to manipulate an organism's genetic material. Examples of modern biotechnology techniques include gene editing, gene cloning, and recombinant DNA technology.

To create a GMO, scientists use modern biotechnology techniques to insert specific genes from one organism into the DNA of another organism. This results in a novel combination of genetic material, which provides the GMO with new traits or characteristics that were not previously present. For example, a crop plant might be genetically modified to be resistant to certain pests or to tolerate specific herbicides.

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A biologist has been studying a mollusk that does not have a shell. It lives in the marine environment. Of the examples given below, which one did the biologist study?
A. Clam
B. Snail
C. Nautilus
D. Chiton
E. Octopus

Answers

The biologist studied an E. octopus since octopuses are mollusks that do not have a shell and live in the marine environment. Clams, snails, nautiluses, and chitons are all mollusks, but they all have shells of varying degrees.

Mollusks are a diverse phylum of invertebrate animals that includes a wide range of species, both aquatic and terrestrial. Mollusks are characterized by a soft body that is typically enclosed by a shell, although some species, such as octopuses and squid, do not have shells. The phylum Mollusca is one of the largest animal phyla, with over 100,000 described species, including clams, snails, octopuses, squid, cuttlefish, and nautiluses. Mollusks play important roles in aquatic ecosystems, serving as both predators and prey, and many species are also commercially important as food sources.

Octopuses are indeed considered mollusks. They belong to the class Cephalopoda, which is a group of marine animals within the phylum Mollusca. However, unlike many other mollusks, octopuses lack a shell and instead have a soft, flexible body that allows them to move and hide easily in their aquatic environment. They also have a unique ability to change color and texture to blend in with their surroundings, making them skilled predators. Octopuses are an important part of marine ecosystems and are also valued for their culinary and cultural significance in many parts of the world.

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How does each of these nutrients impact the body?
• Carbohydrates:
• Fats:
• Proteins:
• Vitamins:
• Minerals:
• Water:

Answers

Answer:

they give energy

Explanation:

-Carbohydrates:helps the body structural and energy storage.

-Fats: helps with the long term energy and forms cell membrane repels water

-Proteins: helps with hair/nail/pigment hormones. Also body defense fiction and builds muscles

-Vitamins: Can help shore up bones, heal wounds, boost your immune system, etc

-Minerals: basically does the same thing as vitamins but they also make enzymes and hormones

-Water: Helps maintain body fluids, flushed out toxins, helps loss weight, improve skin complexion, and etc.

Hopes this helps:)

review carefully the structure of atp. in addition to being the energy currency for the cell, atp is a monomer for which macromolecule?

Answers

ATP is the monomer of DNA or RNA that is used for energy, as it has a phosphodiester bond that provides energizing for various processes, and ATP is generated from food after digestion.

What is ATP function?

Three phosphate groups are linked together by high-energy bonds in ATP, which are unstable and prone to breaking to provide energy; this process is known as hydrolysis, and the ATP is used for various processes such as replication, transcription, movement, etc.

As a result, ATP is the monomer of DNA or RNA used for energy because it has phosphodiester bond that provides energy for various processes such as for digestion etc.

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Does a community include abiotic features? Explain.

Answers

Communities do not include abiotic features. Communities only include the biotic features in a region, such as multiple populations of organisms.

In chili peppers, hot (H) flavor is dominant over mild flavor (h). If a chili grower wanted to grow only hot peppers, which of the crosses below would produce the largest number of hot flavored offspring? (Make a punnett square using the answer choices to find the correct answer.)

Answers

In punnett square, the crossing result will be HH,Hh,HH,Hh which means all are going to be hot chili peppers since H (dominant) is present in all of them.

What do you mean by punnett square?

The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. It is named after Reginald C. Punnett, who devised the approach in 1905.

A Punnett Square is a helpful tool that helps to predict the variations and probabilities that can come from cross breeding.

The diagram is used by biologists to determine the probability of an offspring having a particular genotype.

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what is biology definition in details

Answers

Answer:

Biology :

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the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behaviour, origin, and distribution.

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#Be Brainly

Answer:

The word biology is derived from the greek words /bios/ meaning /life/ and /logos/ meaning /study/ and is defined as the science of life and living organisms. An organism is a living entity consisting of one cell e.g. bacteria, or several cells e.g. animals, plants and fungi.

Hope this helps! :D

A watch owner decide to offer 20 Percent for a particular brand of watch that ell at 35. 0. 00 by doing o,hi average ale encroaed from 5watche to 12 watche a day. If he bought one watch at a price of 22. 0. 00 from the upplier, buy new watch how much wa hi daily profit encreaed or decreaed by offering uch dicount

Answers

By offering 20% discount, the average sale increased from 5 to 12 watches. After offering the discount, the daily profit increased by $6.

Profit can be calculated as:

Profit = selling price - purchase price

A discount is a reduction in the monetary amount or percentage from the normal price of a product or a service.

Discount  = discount rate x selling price.

The product price after discount is:

Final price = normal price - discount.

Information available in the problem:

Normal selling price = $35

Buying price = $22

Discount rate = 20%

Before discount, the sale volume = 5. Hence:

Profit per watch = $35 - $22 = $13

Profit per day = 5 x $13 = $65

After the owner offered the 20% discount, the sale volume = 12

Price after discount = (100% - 20%) x $35 = $28

Profit per watch = $28 - $22 = $6

Profit per day = 12 x $6 = $72

Hence, the profit increased $72 - $65 = $7 per day.

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pancreatitis is an acute inflammation of the pancreas, caused by the premature activation of digestive enzymes that then digest the pancreatic tissue and cause severe homeostatic imbalances. these enzymes are often found in which part of the cell?

Answers

According to the given statement lysosomes enzymes are often found in which part of the cell.

What is the main cause of pancreatitis?

Pancreatitis symptoms include the redness and inflammation of the pancreas. It could be chronic or acutely sudden (chronic). The two most frequent reasons are drinking alcohol and solid masses in the gallbladder (which can vary over time). The main objectives of treatment are to rest the pancreas and let it heal.

What treatment for pancreatitis works the quickest?

Mild acute pancreatitis will develop in a few days with rest and medicine. When your pancreatitis is more severe, you might also try the following additional treatments: Surgery. Your doctor can suggest cholecystectomy procedures to remove the gallbladder if stones are the source of your pancreatitis.

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______ hormones are synthesized from cholesterol and differ mainly in the functional groups attached to the four-ringed backbone.

Answers

Steroid hormones are synthesized from cholesterol and differ mainly in the functional groups attached to a four-ring backbone.

Hormones are chemical substances made by special cells of the endocrine glands to send various messages throughout the body. Hormones spread throughout the body through the blood vessels to affect various systems and processes that occur in the body

Steroid hormones are steroids that work as hormones and are generally synthesized from cholesterol in the gonads and adrenal glands. The form of this hormone is lipid and has special messengers in the form of globulins. The function of steroid hormones is to regulate the body's metabolic processes and play a role in maintaining the balance of water and mineral salts in the body.

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One of the largest and oldest organisms on earth is located in fish lake and nation, forest, in utah.pando is an 80,000 year old grove of aspen trees that cover 100 acres. Although it looks like a forest, DNA analysis of several of the trees has confirmed it is really just one huge organism. Therefore the trees must have been reproduced

Answers

Pando aspen grove in Utah is an immense, genetically identical organism consisting of interconnected aspen trees spanning 100 acres and estimated to be around 80,000 years old.

One of the largest and oldest organisms on Earth, known as Pando, is located in Fish Lake National Forest in Utah. Pando aspen grove is an 80,000-year-old grove of aspen trees that covers approximately 100 acres. While it appears to be a forest, DNA analysis of several of the trees has revealed that they are genetically identical, confirming that Pando is actually one immense organism. The trees of Pando have been reproduced through a process called vegetative reproduction, where new shoots and stems emerge from the existing root system. This unique reproductive strategy has allowed Pando to persist and expand over thousands of years, making it a remarkable example of the interconnectedness and longevity of living organisms.

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A scientist is tracking and studying all of the great white sharks in an ecosystem
close to Hawaii. What is She is studying
in an ecosystem.
a community
a competition
an environment

a population please help​

A scientist is tracking and studying all of the great white sharks in an ecosystemclose to Hawaii. What

Answers

Answer:

An environment is the correct answer

Explanation:

a biological community of interacting organisms and their physical environment

Hope this answer helps you :)

Have a great day

Mark brainliest

brain, nervous system, neuron, and a collection of neurons, what is their order from simplest to most complex?

Answers

Answer:

yes

Explanation:

Learning Task 2:
Www
Answer the given questions in your notebook
1. Why do we need to know the Hombostel-Sachs of an instrument?
2. Which musical instruments do you like most? Why?

Pls help me to answer this o want a descents answers​

Answers

Answer:

A musical instruments I like most is described below in detail.

Explanation:

#1 – Piano. It may amaze yourself to recognize that 22 million Americans perform the piano! ...

#2 – Guitar. The guitar arrives in at a nearby second because of its own versatility, price, and the evidence that it can be supplemented or performed solo. ...

#3 – Saxophone.

#4 – Drums. ...

#5 – Violin. ...

#6 – Flute. Clarinet...

#7 – Cello. ...

#8 – Flute.

2. as stated in the introduction section, dntps are required for pcr . what is the purpose of dntps? 3. how do primers aid in dna amplification during pcr?'

Answers

DNTPs, or deoxynucleoside triphosphates, are required for PCR (polymerase chain reaction) as they are the building blocks of DNA. During PCR, the DNA template strand is repeatedly copied, resulting in a significant increase in the amount of DNA present.

DNTPs are incorporated into the newly synthesized DNA strands by the DNA polymerase enzyme, which catalyzes the formation of the phosphodiester bond between the nucleotides.
Primers are short, single-stranded pieces of DNA that serve as the starting point for DNA synthesis during PCR. They are designed to be complementary to a specific region of the target DNA sequence, so they bind to the template DNA at the beginning of the amplification process. Once the primers have bound to the template DNA, the DNA polymerase enzyme can then start synthesizing new strands of DNA by adding nucleotides in a complementary fashion to the template strand. This process continues until enough copies of the target DNA sequence have been produced for downstream analysis. Primers thus aid in the amplification of specific DNA sequences during PCR.

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What is the function of the mucus membrane that lines the nasal cavities?.

Answers

Answer:

The nasal cavity is the inside of your nose. It is lined with a mucous membrane that helps keep your nose moist by making mucus so you won't get nosebleeds from a dry nose. There are also little hairs that help filter the air you breathe in, blocking dirt and dust from getting into your lungs.

What symptoms are these people complaining about to the doctor?

Answers

Without any specific context or information about the people in question, it is difficult to determine the exact symptoms they are complaining about to the doctor.

However, individuals typically visit doctors with a range of symptoms such as pain, fatigue, fever, cough, headache, nausea, vomiting, diarrhea, shortness of breath, dizziness, and many others.These symptoms can be indicative of various medical conditions and may require further evaluation and diagnosis by a healthcare professional. It is important to consult with a doctor for accurate diagnosis and appropriate treatment based on the specific symptoms experienced.

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Kami Export - Celine Joseph - des maux.pdf - DES MAUX What symptoms are these people complaining about to the doctor?

What is index of refraction

Answers

Answer:

In optics, the refractive index of a material is a dimensionless number that describes how fast light travels through the material. It is defined as n={\frac {c}{v}}, where c is the speed of light in vacuum and v is the phase velocity of light in the medium

State two ways in which the adult housefly differs in structure from an adult fluke or an adult hookworm

Answers

Unlike flukes and tapeworms, which are parasitic and must locate and attach to a host in order to survive, planarians are free-living, non-parasitic flatworms.

The parasitic flatworms adhere to their hosts using  and hooks. A scolex is the term for the tapeworm's ring-shaped hooks.

What signs of hook worm do adults exhibit?

The initial symptoms of an infection are frequently itching and a localised rash. As the larvae pierce the skin, these symptoms appear.

A person with a minor illness could not exhibit any symptoms.

Abdominal discomfort, diarrhoea, appetite loss, weight loss, exhaustion, and anaemia may be experienced by someone who has a severe infection.

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Hug
Science
7. Fill in the blanks with the word from
the plant pot below
Plants can only grow
under certain​

Answers

The question is incomplete the correct question is attached in the form of the image:

Answer:

Plants can only grow under certain conditions.1. condition. They need 2. Water, air, light, and warmth. If a 3. plant does not have these things will slowly die. A 4. healthy plant has green leaves and stands up strong. A plant that has been deprived of 5. light will lose its leaves. A plant that has been deprived of 6. nutrients will turn yellow, thin and, 7. spindly. To stay healthy a plant needs to take water and nutrients from the 8. soil. Plants take 9. carbon 10. dioxide from the air and use it with water and 11. light to make ts food.

HugScience7. Fill in the blanks with the word fromthe plant pot belowPlants can only growunder certain

Plants can only grow under certain​ conditions, which include:

waterairlightwarmth

What are environmental conditions?

Environmental conditions can be defined as different circumstances in which an organism can survive and reproduce.

Organisms are adapted to survive to different environmental conditions (e.g. temperature conditions).

An organism that can live in a wide range of environmental conditions is a eurytopic organism.

In conclusion, plants can only grow under certain​ conditions.

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Which of the following items requires an internal
cooking temperature of 165 °F?
a. Pork chops
b. Injected meats
c. Raw Eggs
d. poultry

Answers

Answer and Explanation:

D. Poultry

There are three important temperatures to remember when cooking meat or eggs at home: Eggs and all ground meats must be cooked to 160°F; poultry and fowl to 165°F; and fresh meat steaks, chops and roasts to 145°F.

Answer:

D. poultry

Explanation:

I’ll give Branliest answer!

Ill give Branliest answer!

Answers

I am pretty sure the answer is A but i'm not sure

Explain why energy flows and matter cycles through food webs.

Answers

Answer:

The chemical energy of food is the main source of energy required by all living organisms. This energy is transmitted to different trophic levels along the food chain. This energy flow is based on two different laws of thermodynamics:

First law of thermodynamics, that states that energy can neither be created nor destroyed, it can only change from one form to another.

Second law of thermodynamics, that states that as energy is transferred more and more of it is wasted.

Explanation:

Complete the diagram

Complete the diagram

Answers

The complete diagram is shown below in the image representing the stages of meiosis.

Mitosis as well as meiosis are both types of division of the nucleus in the eukaryotic cells. The complete diagram shows that Meiosis comprises of two nuclear divisions which lead to the formation of four nuclei which are generally divided resulting in the creation of four new haploid cells.

The nuclei that are formed by the process of meiosis are not genetically identical unlike mitosis. During Meiosis I, the synapsis of homologous chromosomes occurs, chiasmata formation and crossing over takes place. The sister chromatids also align along the Metaphase plate in tetrads.

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Complete the diagram

where does the carbon for photosynthesis come from

Answers

Carbon Dioxide

Don't ask me how I got it, I just remeber

Ps. Branilist would help a lot

Other Questions
What are your thoughts on social Darwinism? Employee ______________ occurs when employees are provided with the ability to take on responsibilities and make decisions regarding all aspects of product development or customer service. WILL MARK BRAINLIEST PLEASE HELP!!!There are several different electronic record keeping programs available to health care facilities. Do an online search and compare at least two. Imagine that you need to select a program for a facility that has a staffof 8 and sees about 300 patients annually but plans to expand in the next year. Explain why one program is better than the other. Be sure to consider features such as price, capability, readability, and support services.Include details about the kinds of records that they take and how they would best meet the needs of the facility in your answer. Include links to the websites where you found the program with your answer. Calculate the number of clock cycles required for testing a full-scan design with n test vectors. Assume that the full-scan design has m scan chains, each having the same length L, and that scan testing is conducted in the way shown in Figure 2.14bPI V1:PI V2Pl SE :PPI PO observation PPO observation S: shift operation/C: capture operation / H: hold cycle FIGURE 2.14 while researching your southern family history, you find that your grandmother had a sister who died fairly young. the symptoms leading up to her death included diarrhea, dermatitis, and dementia. because the family led a poor, corn-farming existence, you suspect this relative died of Polygon B is a scaled copy of Polygon A using a scale factor of 5.Polygon As area is what fraction of Polygon Bs area? Using the known angle, what side is known? What side is unknown? Use opposite, adjacent, or hypotenuse in your answer. if data contains a one-dimensional array, which instruction using matplotlib.pylot (imported as pp) creates a plot of the array value versus array index? Which is a pair of equal expressions? why in math, whenever you do an explanation, for example, 2x - 20, the subtraction sign make the 20 a negative number? Which of the following defines emigration?1. Emigration is the seasonal movement of individuals.2. Emigration is the movement of individuals into a population.3. Emigration is the number of deaths within a population.4. Emigration is the movement of individuals out of a population. the word allogenic is used to describe something as 12-x=75 what is x is that question Is the point (4,-3) a solution for this system? How industrialization hurt some people? Find the following quotient. Reduce to lowest terms.1144/35 A new car costs $42,000. The value of the car depreciates by 11% each year. Write an exponential function to modelthe car's value, V, after t years. robert was found guilty of assaulting his neighbor. he was subsequently ordered to pay for his victim's physical and emotional suffering and to cover the victim's medical bills and lost wages. this punishment is an example of . Which of the following statements is the most accurate?A. Victor fails to recognize his role in terms of plot development.B. Victors testimony gives people the impression that he is insane. C. Elizabeth is conflicted about her feelings toward Justine. D. The monster seeks revenge in response to his abandonment It costs $45 for 15 roses. How much would it cost for 9 roses??