BIOLOGY HIGH SCHOOL

Can a mutation be beneficial to an organism?a. No, because any change to existing DNA is harmful.
b. No, because mutations are caused by exposure to harmful radiation.
c. Yes, because a mutation can help an organism survive in a particular environment.
d. Yes, because a mutation can give an organism what it needs to survive.

Answers

Answer 1
Answer: C) Yes, because a mutation can help an organism survive in a particular environment.

It's called adapting.
Answer 2
Answer:

Can a mutation be beneficial to an organism?

Yes. The benefit of a mutation can help it survive in a particular environment.

I know the answer because I did the quiz and checked the correct answer after.

Please mark as brainiest :)

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A solution tested in the laboratory shows pH 14. Which of the following statements best describes this solution? A. It is a highly acidic solution with a high hydrogen ion concentration. B. It is a highly alkaline solution with a high hydrogen ion concentration. C. It is a highly basic solution with a high hydrogen ion concentration.
A significant life-limiting factor in the ocean depths would include which of the following?O carbon sourcesO availability of detritusO coastal upwellingO temperature
Is there a difference between the cell walls and the plasma membrane of the animal and plant cell?
Which theory suggests that the basic unit of life is the creature or organism, which may be divided into cells?cell theoryorganismal theory
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What stage of cellular respiration produces pyruvate as a product? Glycolysis
Electron transport chain
Krebs cycle
Fermentation

Answers

glycolysis :) I hope this helped

Final answer:

Pyruvate is produced in the glycolysis stage of cellular respiration, where a glucose molecule is split into two pyruvate molecules. This process occurs in the cell's cytoplasm.

Explanation:

The stage of cellular respiration that produces pyruvate as a product is glycolysis. Cellular respiration is a series of metabolic processes by which living cells produce energy through the oxidation of organic substances. The glycolysis pathway is a 10-step biochemical pathway where a glucose molecule is split into two pyruvate molecules. This process occurs in the cell's cytoplasm. Electron transport chain, Krebs cycle and fermentation are all stages of cellular respiration, but they do not produce pyruvate.

Learn more about Cellular Respiration here:

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Organisms can have positive or negative impacts on the ecosystem they live in. The cane toad, or Rhinella marina, was introduced to the Hawaiian Islands in 1932 by sugar cane farmers. Farmers released the toads in their crops to help control pests that were damaging the sugar cane. The cane toad has few natural predators, as it secretes a poisonous toxin from its skin that deters larger organisms from eating it. As a result, the cane toad population thrived and grew to number hundreds of thousands by 1935. width="379" Which role does the cane toad play in the Hawaiian Islands?a. native species
b. invasive species
c. uncontrolled species
d. endangered species

Answers

The answer is b. invasive species.

Invasive species are species that are not native to specific ecosystem, but they have a capability to spread widely through the ecosystem, This way they can threaten native species of the ecosystem or cause environmental harm.

Answer:

b

Explanation:

Are involuntary muscles striated?

Answers

No.The involuntary muscles of the muscular system are not striated or furrowed.


These muscles that arenot striated are very smooth to the sight which is why they are alsocalled Smooth muscles. Involuntary musclesare not striated. Even among the striated muscles that are voluntary,the heart which is also a muscle, is involuntary.
On the other hand the striated muscles, whichare voluntary are highly fibrous and their primary function is to movethe body voluntarily, and producing heat as a result of this muscleaction.

What do organisms from the ocean use the carbon dioxide for?a. to breathe
b. to build bones
c. to make shells
d. to help organisms decompose

Answers

Answer:

To make shells (Ans. C)

Explanation:

Carbon dioxide from the atmosphere dissolves in the water present in the ocean. Organisms in the ocean use carbon to make calcium carbonate, which is building material of shells of organisms. Organisms that use calcium carbonate for protection and structure are known as calcifying organisms.
c. to make shells /b/n//

Manufactured compounds called _____________________________________ , that were being released into the atmosphere from products that contained them , were largely responsible for the hole that developed in the earth’s ozone layer.sodiumcarbons
nitrofluorocarbons
chlorofluorocarbons

Answers

Manufactured compounds called chlorofluorocarbons (CFCs), that were being released into the atmosphere from products that contained them ,were largely responsible for the hole that developed in the earth’s ozone layer. This is why a lot of products containing CFCs such as styrofoam and aerosoles were banned in various countries.

Energy in most ecosystems must flow through autotrophs because ______.

Answers

Energy in most ecosystems must flow through autotrophs because only autotrophs can convert solar energy in chemical energy.

Explanation:

This suggests that these are organisms which are entirely based on the Greek name self-producers that can produce complex organic materials by fixing together simple building blocks in their local situation. E.g plants on land. Photosynthesis in plants transforms solar energy into chemical energy using electrons and protons from water. The method of photosynthesis in plants involves a series of steps and reactions that use solar energy, water, and carbon dioxide to produce organic aggregates and oxygen.
The answer is A.only autotrophs can convert solar energy into chemical energy.
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