A student conducts an experiment to determine how the amount of water given to a plant affects its growth. Which of the following is not a constant or control for this experiment?

a. the type of plant
b. the amount of soil
c. the amount of water
d. the amount of time in the sun

Please select the best answer from the choices provided A B C D

Answers

Answer 1

Answer:

Its C

Explanation:


Related Questions

What are the definitions for gene pool and allele frequency?
A. the alleles for a species, the number of times a gene appears
B.the number of alleles: genes that appear in a population
C.all the alleles that appear in a population: the number of times the alleles appear
D.all the genes that are present in a population; the number of times an allele occurs in a gene pool​

Answers

Answer:

Allele frequency- the percentage with which a specific allele is found in a population. Gene Pool- the sum total of all alleles present in all populations of a particular species. ... evolution involved a change in allele frequency in a population's gene pool over a number of generations.

Explanation:

I hope this helps :)

A gene pool is defined as the number of alleles. and the allele frequency is defined as the  genes that appear in a population. Therefore, option B is correct.

What is gene pool ?

A gene pool is the collection of all the genes (including alleles) found in a population or species that is capable of reproduction. A big gene pool has a wide range of genetic diversity and is more resilient to environmental stresses.

A gene pool is the collection of all the genes, including all the various alleles, in any population that mates with other individuals from the same or different species. The percentage of an allele within a population is known as the allele frequency.

A population's gene pool will include a high number of genes with a wide range of frequencies. Gene frequencies are proportions of various alleles within a population, and in any given generation, these frequencies will rely on those of the previous generation.

Thus, option B is correct.

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A student is using descriptions to classify organisms. One organism is described as having sense organs to detect heat, laying eggs to reproduce, using venom for protection, and having the ability to change body temperature with its surroundings.
How would the student classify this organism?
A bacteria

B.mammal

C reptile

D bird

Answer ASAP plz;-;

Answers

i think its reptile

Identify the parts of a good hypothesis?

Answers

Answer:

these are some of the answers i could come up with hope this helps

Explanation:

a good hypothesis is stated in the if then format.

a good hypothesis is testable

a good hypothesis is written clearly

a good hypothesis is educated

In the cochlea: A. sight occurs B. the visual image is projected O C. sound vibrations are converted to nerve impulses O D. sound is made either louder or softer​

Answers

Answer:

C, is the answer

Explanation:

Option C. sound vibrations are converted to nerve impulses.

What is in the cochlea?

The cochlea contains the sensory organ of hearing. It bears a striking resemblance to the shell of a snail and in fact, takes its name from the Greek word for this object. The cochlea is a spiral tube that is coiled two and one-half turn around a hollow central pillar, the modiolus.

What is the main function of the cochlea?

The cochlea is a hollow, spiral-shaped bone found in the inner ear that plays a key role in the sense of hearing and participates in the process of auditory transduction. Sound waves are transduced into electrical impulses that the brain can interpret as individual frequencies of sound.

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Need help immediately please !!!

Answers

Answer:

smooth green would be ssgg

smooth yellow would be ssGg

constricted green would be Ssgg

and constricted yellow would be SsGg

Can someone help me please, i cant find the answer to this question anywhere.

Answers

Answer:

light dependent reaction

C will be the answer to your question.

can y'all answer option 1 plz

Answers

Woke up one day with my head full of motivations and goals for the day. I started of by waking early in the morning to see my family start to gather resources to build and burn woods. I helped my father collect wood logs, went with my brother to feed animals and lastly played with my siblings. My mother told me “Family is always a priority!” And i understand that virtue now because my family means a lot to me and without them i wouldn’t be here

The human digestive system is comprised of specialized cells, tissues, and organs.

Which lists the parts from least complex to most complex?
a. muscle tissue, muscle cell, stomach
b. muscle cell, muscle tissue, stomach
c. stomach, muscle tissue, muscle cell
d. stomach, muscle cell, muscle tissue
Thank you!

Answers

Answer

OPTION B.

because from muscle cell ,muscle tissue arise and then after development  of muscle tissues organs are formed.

The parts from least complex to most complex is muscle cell, muscle tissue, stomach. So, the correct option is (B).

What is Digestive System?

The human digestive system consists of the gastrointestinal tract with the accessory organs of digestion which involve breaking down food into smaller and smaller components until they can be absorbed and assimilated into the body.

The GI tract consists of series of hollow organs which is joined in a long, twisting tube from the mouth to the anus. The processes of digestion consists of six processes:-

1. Ingestion

2. Propulsion

3. Mechanical or physical digestion

4. Chemical digestion

5. Absorption

6. Defecation.

The complexity of the digestive system involves muscle cell, muscle tissue, stomach and organ system from least complex to most complex.

Thus, the parts from least complex to most complex is muscle cell, muscle tissue, stomach. So, the correct option is (B).

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What 3 numbers surround the element symbol?

Answers

C I did bio last year and had an A every quarter

(Picture included) The student investigated the movement of water through plants. The plants were covered with clear plastic to capture any water released into the air. The plants received the same amount of water and sunlight.
Which conclusion is supported by these data?

- Leaves contain cells that store water for respiration.

- Leaves contain cells that control the release of water into the air.

-Leaves contain cells that absorb sunlight and water during photosynthesis.

- Leaves contain cells that stimulate growth by moving water through the plant.

Answers

Answer: C -Leaves contain cells that absorb sunlight and water during photosynthesis.

Explanation:

Leaves contain cells that absorb sunlight and water during photosynthesis. That's why after three hours the amount of water decreases as the number of leaves increases. Option (C) is correct.

What are stomata in leaves ?

Water is taken up by roots from the soil and moved as a liquid by xylem to the leaves. Small holes in the leaves allow CO2 to enter the leaf for photosynthesis and water to escape as a vapor.

The rate of gas exchange is regulated by stomata, which are pores present in the epidermis of leaves, stems, and other organs. A pair of specialized parenchyma cells called guard cells surrounds the pore, controlling the size of the stomatal opening.

They are essential to photosynthesis because they allow carbon dioxide to enter the leaf and oxygen to leave. Additionally, the stomata aid in transpiration, the process of releasing water vapor through a plant's leaves.

Thus, option (C) is correct about leaves.

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How does photosynthesis depend on chlorophyll?

Answers

Chlorophyll, the primary pigment used in photosynthesis, reflects green light and absorbs red and blue light most strongly. In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.

The Gastropod is found in multiple rock layers. What does this indicate?

Answers

Answer:it adds layer of rocks

Explanation:

Because fossils add up on top of each other

Who is known as father of Zoology

A) Darwin B) Aristotle
C) Lamark D) Theophrastus

Answers

Answer:

Aristotle

Explanation:

Answer:

I believe the answer is B) Aristotle

Hope this helps :)

Summarize the order of events from egg and sperm to embryo?
(ill give brainliest)

Answers

Sperm fertilizes the egg, the egg turns into a zygote, the zygote then goes through the process of cell division and turns into an embryo.  

• Post ejaculation, the sperm cells meet the egg, and fusion between both the cells takes place.  

• The fusion results in the formation of a single cell, which comprises the genetic material from both the egg cell and the sperm cell, this is called a zygote.  

• The zygote further divides into sixteen cells stage called the morula.  

Post three days after the formation of morula, formation of the embryo takes place. The embryo attaches to the wall of the mother's uterus.  

Thus, egg and sperm fuse and give rise to the zygote, this zygote further undergoes several divisions and eventually results in the formation of an embryo.  

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Which is not a disease of the respiratory system?
O COPD
O Asthma
O Diabetes

Answers

The answer is Diabetes

Answer:

I think non of them are correct. here is the reason

Explanation:

Diabetes has an impact on lung function, or how well you breathe. Some studies show that lung function gets worse as blood glucose levels increaseAsthma is a long-term disease of the lungs. It causes your airways to get inflamed and narrow, and it makes it hard to breathe.Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory lung disease that causes obstructed airflow from the lungs. Symptoms include breathing difficulty, cough, mucus (sputum) production and wheezing

In which medium will a sound wave travel fastest?
ice at 0°C
iron at 150°C
liquid water at 75°C
helium gas at 50°C

Answers

Answer:

liquid water at 75° C

Explanation:

Hope this helps:)

Answer:

liquid water at 75° C

Explanation:

What are the three main groups into which mammals are divided?

Answers

Answer:

The three groups into which mammals are divided are monotremes, marsupials, and placentals.

Answer:

Monotremes, Marsupials, and Placental mammals.

Mono mammals lay eggs

Marsupials are developed in the stomach/pouch

Placental mammals are developed in the fetus/uterus.

On February 21, a student observes that the Moon cannot be seen in the clear
night sky. On what date will the student not be able to see the Moon again in the
clear night sky?
A. February 28
B.March 7
C.March 14
D.March 21

Answers

Answer:

Okay so the answer is

C...

On February 21, a student observes that the Moon cannot be seen in the clear night sky. The date when the student is not able to see the Moon again is on March 21. The correct option is D.

What is the moon?

The moon is the only natural satellite of the earth. It is white and gray and visible from the earth on nights only. It is the fifth-largest satellite in the solar system.

The moon has different phases seen from the earth because the moon revolves around the sun. The four phases have been named full moon, no moon, C moon, and half moon.

In 28 days, the moon is not visible for one day, then the other day it is visible and C-shaped. The student was seen on February 21.

21 + 27 day means 21 march.

Thus, the correct option is D. March 21.

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PLEASE HELP :)

please explain:

What is a mutation?
What effects can mutations have on an organism?
Are most mutations harmful or harmless?

thanks!!

Answers

Answer:

Mutations are when the RNA makes a mistake copying the DNA and causes genes to 'accidentally' change.

Mutations can do anything from accidentally changing hair or skin color to causing dangerous diseases.

Only a small percentage of mutations cause genetic diseases. Most of them are harmless.

please help me if your right ill give you anything please hellppp​

Answers

Answer:

C

Explanation:

An ecosystem food chain always starts with producers

Consumers then consume the energy from producers (prey on them)

Decomposers are organisms which break down dead material and provide energy to the environment for which producers can use which creates a looped cycle

TIMED PLS HELP!!
Which of the following distinguishes how large supermarket chains are able to provide the public with fruits and vegetables for lower costs?
A. Large supermarket chains always provide the customer with the best prices, even if it means sacrificing their own profits.
B. Large supermarket chains usually buy food from overseas, which is generally cheaper than buying local foods
C. Large supermarket chains can negotiate prices because they have such a strong presence in the agricultural community
D. Large supermarket chains often buy food from farms that use cheap and unsustainable farming practices.

Answers

Answer:

C. Large supermarket chains can negotiate prices because they have such a strong presence in the agricultural community. Im sorry no one answers these

PLEASE HELP
Experimental question: At what pH and amount of substrate would the enzyme amylase would have the most amount of product (enzyme activity)?

Whats your Hypothesis
Answer:

Answers

My hypothesis will be that the enzyme pH will have a hot temperature and will make small amounts of the enzymes activity because it takes time to process.

which body system gives your body structure?​

Answers

The skeletal system
The skeletal system I’m pretty sure

How do Newton’s laws of motion explain why it is important to keep the ice smooth on a hockey rink so that players can pass a puck as quickly as possible?

Smooth ice reduces the inertia of the hockey puck.
Smooth ice increases the force used to accelerate the hockey puck.
Smooth ice reduces the unbalanced forces that would slow the hockey puck.
Smooth ice decreases the reaction force that the ice exerts on the hockey puck.

Answers

It is important to keep the ice smooth on a hockey rink because this reduces the unbalanced forces that would slow the hockey puck.

Frictional forces

Frictional forces are opposing forces to the motion of an object on a platform.

In order to be able to pass a puck as quickly as possible on a hockey rink, there should be a minimal frictional force on the ice surface on which the puck moves.

With minimal opposing forces, the puck will move as unhindered as possible and passing as fast as possible would be easy.

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Answer:

C

Explanation:

A sequence of a DNA template strand is shown below.
3’ T C C A A T G G C T T A T T T G C A 5’



Which of these is the correct amino acid chain produced from the DNA template strand?

Arginine – Leucine - Proline – Asparagine – Lysine – Arginine

Serine - Leucine – Proline – Asparagine – Lysine – Arginine

Tryptophan – Phenylalanine – Leucine – Glycine – Asparagine – Phenylalanine

Tryptophan – Phenylalanine – Leucine – Glycine – Asparagine - Serine

Answers

it’s the first option!

Explanation: It translates to agg uua ccg aau aaa cgu and the bases are Arg, Leu, Pro, Asp, Lys, and Arg. In that order. Hope this helps!

The correct amino acid chain produced from the DNA template strand will be Arginine – Leucine - Proline – Asparagine – Lysine – Arginine. The correct option is A.

What is amino acid?

Amino acids are molecules that form proteins when they combine. The building blocks of life are amino acids and proteins.

Amino acids are left over after proteins are digested or broken down. To help the body, the human body uses amino acids to make proteins: Food should be broken down.

A codon is a three-nucleotide (DNA or RNA) sequence that forms a unit of genomic information encoding a specific amino acid or signaling the end of protein synthesis (stop signals).

There are 64 different codons, 61 of which specify amino acids and three of which serve as stop signals.

The amino acid sequence for the given template will be:

3' AGGUUACCGAAUAAACGU 5'

So, as per three letter code, the amino acid chain will be:

Arginine – Leucine - Proline – Asparagine – Lysine – Arginine

Thus, the correct option is A.

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What are the 4 structures all cells have in common?

Answers

Answer:

All cells share four common components: (1) a plasma membrane, an outer covering that separates the cell's interior from its surrounding environment; (2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; (3) DNA, the genetic material of the cell; and (4) ..

Explanation:

If the DNA sequence is --- AAA TAT CCG TAG CAA ATG, write the mRNA sequence, tRNA anticodon sequence, and the six amino acids for this.

Answers

adenine(A) binds with uracil(U)

Thymine(T) binds with Adenine(A)

guanine(G) binds with cytosine(C)

The complementary mRNA, which contains the codons is

UUU AUA GGC AUC GUU UAC

The complementary tRNa , which contains the anticodons is

AAA UAU CCG UAG CAA AUG

The six aminoacids are

phenylalanine-isoleucine-glycine-isoleucine-valine-tyrosine

The bases tend to exist as a pair in the DNA’s double helix structure. The bases are bonded by hydrogen bonds.

Their bonds are mentioned as follows:

Adenosine (A) is paired with thymine (T) Cytosine (C) is paired with guanine (G)

However, the base thymine (T) is present only in the nucleotide of DNA and the base uracil (U) is present only in the nucleotide of RNA.

Based on the understanding of the nucleotide and central dogma concepts, the following sequences are determined:

DNA Sequence:               AAA TAT CCG TAG CAA ATGmRNA Sequence:            UUU AUA GGC AUC GUU UACtRNA anticodon:              AAA UAU CCG UAG CAA AUGSix amino acids:              PHE ILE GLY ILE VAL TYR

Six amino acids are namely Phenylalanine, Isoleucine, Glycine, Isoleucine, Valine, and Tyrosine.

Thus, the DNA sequence is used to determine the other RNA sequences and amino acids.

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easy inherited or acquired question! please help me!
^-^

Answers

you learn to play the guitar, you are not born knowing how to play it, therefore it's acquired

If cup b and cup e represent different ecosystems, how are they different

Answers

If you’re talking about bewibes

difference between D and DD with same band size is 1”, the same measurement difference as between an A cup and a B cup, a B cup and a C cup, a C cup and a D cup.
They’re different because there is 2 types of factors in our ecosystem. First is Abiotic factor in which non living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems while biotic factor is where any living component that affects another organism pr the shapes the ecosystem. Both components plays a huge role in our ecosystem

!!I NEED HELP!!
What is a benefit to utilizing fusion reactions instead of fission reactions?

A)Fusion reactions do not require any kind of radiation shielding to prevent exposure.

B)Fusion reactions do not produce harmful radiation and transuranium nuclides.

C)Fusion reactions can proceed in any temperature range.

D)Fusion reactions are easier to control and regulate.

Answers

Answer:

B)Fusion reactions do not produce harmful radiation and transuranium nuclides.

Explanation:

___________

The benefit of utilizing fusion reactions instead of fission reactions is that the fusion reaction does not produce harmful radiation and transuranium nuclides. Thus, the correct option for this question is B.

What is meant by Fusion?

Fusion may be defined as a type of process that significantly involves the combination of two or more atoms or molecules in order to form one larger molecule. This type of reaction normally occurred in nature as compared to fission.

The process of fission involves the disintegration of numerous smaller molecules or atoms from a larger one. This creates a lot of long-lived radioactive substances in nature that are harmful to live organisms. These types of reactions are not favored by nature.

Therefore, fusion reactions do not produce harmful radiation and transuranium nuclides are the benefit of utilizing fusion reactions instead of fission reactions. Thus, the correct option for this question is B.

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A company is facing a lawsuit from a customer. It is possible, but not probable, that the company will have to pay a settlement that management estimates to be $2,000,000. How would this fact be reported in the financial statements to be issued at the end of the current month? a. $2,000,000 in the Current Liability section. b. $2,000,000 in the Long-Term Liability section. c. In a descriptive narrative in the footnote section. d. None because disclosure is not required. Write an addition equation or a subtraction equation (your choice!) to describe the diagram 020 WGEO FINAL EXAM uiz is accepting submissions until Thursday, December 17, 2020 at 10:15 am Question 10 of 50 | Page 10 of 50 Show instructions Question 10 The line of latitude at 60 30'N that marks the boundary of the northern polar zone. Arctic Circle Ob Northern Polar Circle Southern Polar Circle Od Antarctic Circle Next Page Back please its an emergency Which subset of the rational numbers best describes the number of students that could be in a classroom?A. Whole numbers B. integersC. natural numbers D. rational numbers Alison Bender works for an accounting firm. To make sure her work does not contain errors, her manager randomly checks on her work. Alison recently filled out 12 income tax returns for the company's clients. Unknown to anyone, two of these 12 returns have minor errors. Alison's manager randomly selects three returns from these 12 returns. Find the probability that (a) Fewer than 2 of them contains errors Why are the arts an important part of culture How would have you reacted to the Intolerable Acts? Select ALL the terms that are like 5b2.Question 4 options:12b255b10b2 which is an example of the electromagnetic force datelike whos your date tonight, he is my date tonight, it seems my date is latedo the french have a word for that? cuz all i can find is je sors avec lui and that doesnt really work in the sentence i have and i cant rly work around it so Which point represents the ordered pair (-2 1/4, 2/3)?A. Point QB. Point RC. Point SD. Point T I NEED HELPPP!7th gradeee The Bellman-Ford algorithm for the shortest path problem with negative edge weights will report that there exists a negative cycle if at least one edge can still be relaxed after performing nm times of relaxations. The algorithm, however, does not specify which cycle is a negative cycle. Design an algorithm to report one such cycle if it exists. You should make your algorithm runs as fast as possible. 5. Which statement correctly describes the Socratic method? * HELPPPPPPP!! To maintain homeostasis, the human body has many systems that remove wastes from the body. Which correctly explains how two organ systems interact to eliminate wastes? A. The muscular system helps the bladder to release urine from the excretory system to maintain homeostasis. B. The muscular system helps push carbon dioxide wastes from the respiratory system to maintain homeostasis. C. The muscular system helps squeeze solid wastes from the digestive system to maintain homeostasis. D. All of the answer choices correctly explain how two organ systems interact to eliminate wastes to maintain homeostasis. 1. Write an equation that shows 45% of c is 144. s/LinkskamWhat is known to damage the immune system? PLEASE HELP ASAP!!!!!!!!!! i have a test and its due tomorrow