How does genetic variation help a species survive through an environmental change

Answers

Answer 1

Answer:

Look at explanation

Explanation:

Genetic variation helps a species survive through environmental changes because some  individuals can adapt to a changing environment.  Genetic variation allows more variations within phenotypes.


Related Questions

New seed does not germinate in spite of suitable environment Why?​

Answers

Answer:

All seeds do not germinate to form new plant because some are not fulfilled with the appropriate amount of nutrients.

Explanation:

A new seed does not germinate in spite of a suitable environment due to a lack of enough nutrients in the soil, a seed may undergo the dormant stage, and too much or little water in the soil.

What is Germination?

Germination may be defined as a process through which a seed grows into a seedling.  

A lack of nutrients does not deliver enough energy to seed for germination. If the soil has too little water or no water, a seed remains dormant throughout, while if it has too high water, then the seed becomes susceptible to infections.

Under all the above conditions, a seed will germinate into a seedling in spite of a suitable environment.

Therefore, it is well described above.

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Which statement best-describes the function of the human body system in the above diagram

Answers

Answer:

Supplies oxygen to blood and removes carbon dioxide from blood

Explanation:

hope it helps

“Although part of your question is missing, you might be referring to this full question: Which statement best describes the function of the human body system in the above diagram (Refer to attached diagram)?

a) Produces and secretes hormones that regulate metabolism, growth, and development

b) Provides support and movement for the body

c) Breaks down food into nutrients and wastes

d) Supplies oxygen to blood and removes carbon dioxide from the blood”

The statement that best describes the function of the human body system in the given diagram is “Supplies oxygen to the blood and removes carbon dioxide from the blood”. Hence, option (d) is the correct answer.

The human body system in the given diagram is the respiratory system. The characteristics and function of the respiratory system are described as follows:

The respiratory system includes lungs, airways, and blood vessels It is the organs and tissues network that helps the individuals to breathe The primary role of the system is to move oxygen throughout the body with the help of blood and remove the waste gases like carbon dioxide from the blood that is obtained from various organs

Thus, we can conclude that the function of the respiratory system is defined by the statement " Supplies oxygen to the blood and removes carbon dioxide from the blood”. Hence, option (d) is the correct answer.

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What 3 numbers surround the element symbol?

Answers

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

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

Explain the difference between a parliamentary system of government and a presidential system of government

Answers

Answer:

A key difference between presidential and parliamentary systems lies in the power to remove a chief executive or to dissolve the legislature. In parliamentary systems, the chief executive's term of office is directly linked to that of the legislature, while in presidential systems the terms are not linked.

Explanation:

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

____________ polymerase is used to add new RNA nucleotides to make RNA.

Answers

RNA polymerase is used to add new RNA nucleotides to produce RNA.

RNA polymerase

It is the enzyme responsible for copying the sequence of DNA into the sequence of RNA during the process of transcription.

The information encoded in DNA is used to produce RNA during the process of transcription.

The production of RNA takes place by the enzyme RNA polymerase, by using the antisense strand of the DNA as the template by supplementing the complementary RNA nucleotides to the 3 prime terminal of the developing strand.

The enzyme RNA polymerase combines with the DNA at a sequence known as the promoter at the time of the beginning of transcription.

Thus, the given blank can be filled with RNA.

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Please help I am confused

Answers

the picture containing flat skin cells is c

besides water what valuable was brought by the annual floods.

Answers

Answer:

plants

Explanation:

Answer:

the correct answer is silt

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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Hi I really need help!! :)
Are the statements about evolution and natural selection True or False?
___ evolution is a theory about the origin of life
___ natural selection is the process through which evolution takes place
___ evolution is observable and testable

Answers

The Answers are
1. F
2. T
3. T

Answer:

First statement is True, second statement is False, third statement is False

Genes are specific sections of?​

Answers

Genes are small sections of DNA within the genome that code for proteins

Answer:The gene is the basic physical and functional unit of HEREDITY

Explanation:

What force is acting upon the roots?

Answers

the answer is gravitational pull.

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.

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

life a raindrop 500 words PLZZZZZZ 100 POINTS I NEED THIS Today you will be writing a creative story about what a raindrop goes through from leaving a cloud to entering a lake or ocean. but try to be as in depth with the direction that water would take on its way through a watershed.

Answers

The rain drop is very fascinating and interesting. It falls down to the ground with the spread of twenty five miles per hour, which isn’t fast for us but is for the drop. When the drop fails in to a stream it travels with the stream where ever it goes, it fallows it completely. When it falls in to a river it fills it from the lose during the day when the sun evaporates some of the water. The river eventually falls in to a lake or a ocean. Some of the water is taken by people which is refined to drinkable water and soled. The other way it can go is it will evaporate and go back in to the clouds and repeat the sickle.

here is the question I attached a image​

Answers

Answer:

pretty sure it's A

Explanation:

qualitative data is something that describes characteristics while quantitative is more number and statistic based

hope this is correct and helps no promises

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

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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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.

What causes convection currents in the atmosphere?

Answers

Explanation:

in the atmosphere, the air warms up and rises and allows cooler air to flow underneath. its like picking up an object.

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.

If the yellow allele is dominant (Y) and the green allele is recessive (y), what are the possible genotypes of a green offspring?

Answers

Answer:

yy

Explanation:

it can only be yy because you need 2 recessive genes to show a recessive trait.

A plant with Yy genes could pass the recessive genes on, but would still show the dominant trait.

The possible genotype of the green offspring is yy, i.e., recessive one and will express only in absence of dominant allele.

What is genotype?

In a broad sense, the word "genotype" refers to an organism's genetic makeup; in other words, it describes an organism's entire set of genes.

In a narrower sense, the term can refer to the alleles, or variant forms of a gene, that an organism carries.

A genotype is a classification of the type of variant found at a specific location (i.e., a locus) in the genome.

Symbols can be used to represent it. For example, the letters BB, Bb, bb could be used to represent a specific variant in a gene.

In the given scenario, Y is dominant allele which will express in combination with y means the recessive one.

Thus, for expressing the green allele, it should be yy.

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Assume that a DNA double helix contains 100 base pairs (one pair is A-T or C-G) and there are 45 cytosines.
a. How many guanines are there?
b. How many adenines are there?

Answers

Cytosine(C) binds with Guanine(C)

Adenine(A) binds with Thymine(T)

a.From here we can deduct that there are the same number of nucleotides of guanine that as cytosine=>G=45 base pairs

b.2A=100-G-C

   2A=100-90 2A=10 A=5 base pairs

The development of heart disease is based on a genetic trait. Which action may delay the onset of the disease?
A. eating only organic vegetables
B. limiting the amount of protein consumed
C. consuming a diet that is low in sodium and fats
D. restricting strenuous physical activity

Answers

The answer for this one would Be B because

The action that may delay the onset of the disease is to consume a diet that is low in sodium and fats. Thus, the correct option for this question is C.

What is heart disease?

Heart disease may be defined as a type of medical condition that significantly deals with the kinds of diseases that majorly affects the heart or blood vessels of individuals due to numerous conditions.

The development of heart disease is based on a genetic trait. But apart from this, your daily activities and eating habits may highly influence this medical condition.

Such as consuming a diet that is high in sodium, fats, and cholesterol may impact the normal function and morphology of the heart to a larger extent. So, it is advised to consume a diet that is low in sodium and fats that may delay the onset of this disease

Therefore, the correct option for this question is C.

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How does a plant cell differ from an animal cell? Group of answer choices A plant cell can make its own glucose; an animal cell cannot A plant cell cannot synthesize proteins an animal cell can. A plat cell cannot perform cellular respiration; an animal cell can.

Answers

Answer:

plant cell can make its own glucose; an animal cell cannot

Explanation:

Chloroplasts are found in plant cells, but not in animal cells. The purpose of the chloroplast is to make glucose that feed the cell's machinery. Photosynthesis is the process of a plant taking energy from the Sun and creating glucose.

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

An unidentified plant produces spores, has many cells, but does not have true leaves. What plant is it?

A. liverwort
В. fern
C. gymnosperm
D. angiosperm

Answers

Fern is the correct answer

An unidentified plant produces spores, has many cells, but does not have true leaves. It is a fern or the angiosperms. Thus, option C is correct.

What are angiosperms?

Angiosperms, that are also known as flowering plants, have “seeds” that are sealed off within an “ovary”, while gymnosperms do not have fruits or flowers and have uncovered seeds on the surface of leaves. Seeds of gymnosperms are often arranged as “cones”.

The features and characteristics that distinguish angiosperms from gymnosperms are fruits, flowers, and “endosperm” in the seeds. Examples of “Angiosperms” are “monocots” like orchids, lilies, agaves, grasses and dicots like, peas, roses, sunflowers, maples and oaks. “Gymnosperm” examples include “non-flowering evergreen” trees like pine, fir and spruce.

Therefore,An unidentified plant produces spores, has many cells, but does not have true leaves. It is a fern or the angiosperms. Thus, option C is correct.

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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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What is the proper way to write a scientific name of an organism?

Answers

Explanation:

The correct way to write a scientific name is by using the genus and species of the organism. 

hope it helps!

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