Which best summarizes the effects of mutations on organisms?

Mutations are sometimes helpful, sometimes harmful, and sometimes neutral.
Mutations are usually harmful, sometimes neutral, and never helpful.
Mutations are sometimes neutral, sometimes helpful, and never harmful.
Mutations are always harmful, never helpful, and never neutral.

Answers

Answer 1

Answer:

mutations are sometimes helpful, sometimes harmful and sometimes neutral

Explanation:

Answer 2

Answer:

A

Explanation:


Related Questions

What important soil function does soil structure influence ?

Answers

Answer:

A good soil structure is important to allow air and water into the soil which are vital for healthy plant growth. It will improve drainage and reduce soil erosion caused by excess surface run-off. Without structure, soils will suffer from anaerobism, waterlogging and nutrient lock-up and, ultimately, plants will die!

I hope you helped^_^

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Do you think wolves are a keystone species? Explain your answer. WILL GIVE BRAINLIEST

Answers

Answer:

Wolves are a critical keystone species in a healthy ecosystem.

Explanation:

By regulating prey populations, wolves enable many other species of plants and animals to flourish. In this regard, wolves initiate a domino effect on their environment.

Answer:

Wolves are a critical keystone species in a healthy ecosystem. By regulating prey populations, wolves enable many other species of plants and animals to flourish. In this regard, wolves initiate a domino effect – “touching” songbirds, beaver, fish, and butterflies.

Why is part of the Moon dark?
A)Light from the sun only illuminates half of the Moon.
B)Earth's shadow is on half of the Moon.
C)The Moon only makes light on one side.
D)Clouds are blocking half of the Moon's light.
E)The Moon is made up of light and dark rocks.

Answers

Answer:

A)

Explanation:

a collection of tissues that work together to perform a specific function would be known as which of the following?

Question 12 options:

organ


biome


body systems


molecules

Answers

a collection of tissues working together is an Organ

How are rainbows made?​

Answers

Answer:

Explanation:

The sun makes rainbows when white sunlight passes through rain drops. The raindrops act like tiny prisms. They bend the different colors in white light, so the light spreads out into a band of colors that can be reflected back to you as a rainbow.

What steps of the water cycle are affected by gravity and which by the Sun?

Answers

Water is most dense as a liquid then as a solid and least dense as a gas while sunlight is the energy source the greatest force propelling the water cycle is gravity it pulls precipitation down from clouds and pulls water downhill gravity also moves air and ocean water

Name 2 body systems that interact to maintain
homeostasis in the human body and explain how they do

Answers

Answer:

Internal Temperatures

Similarly, the cardiovascular, integumentary (skin and associated structures), respiratory, and muscular systems work together to help the body maintain a stable internal temperature. If body temperature rises, blood vessels in the skin dilate, allowing more blood to flow near the skin's surface.

OR,

The nervous and endocrine systems exert the ultimate control over homeostasis because they coordinate the functions of the body's systems. Regulation of body temperature, blood pressure, pH, and glucose concentration are four examples of how the body maintains homeostasis.

Hope you know

What is a example of universal solvent

Answers

Answer:

Read more here:

Explanation:

Water is called the "universal solvent" because it is capable of dissolving more substances than any other liquid. ... Water molecules have a polar arrangement of oxygen and hydrogen atoms—one side (hydrogen) has a positive electrical charge and the other side (oxygen) had a negative charge.

Answer:

water

Explanation:

it is capable of disolving more substances than any other liquid

Identify the compound that plants make to store as energy.

Answers

Answer:

The chemical compound used as energy in the plant is Glucose. Glucose is the plants form of sugar aka food. The plant uses glucose to grow. Hope this helped. Please mark brainiest

Answer:

Glucose

I hope this helps

From which hot spot would you view Polaris at an altitude of 45 degrees?

Answers

Answer:

Massena, New York

Explanation:

Polaris is most popularly known as the North star. It is also famous by the name of "Pole Star". It is the closet to the north celestial pole. At present it is the northern pole star currently.

It is found in the constellation of Ursa Minor. It is the one of the brightest star seen in the night sky. It is considered the star of the second magnitude which is situated close to the heaven's north pole.

The altitude of the Pole star or the Polaris when an observer is at the Tropic of Cancer is measured at 23.5 degree. While if the observer sees the Pole star at its zenith, the observer is located at the North Pole. i.e. 90 degree.

And the spot from where the observer views the Polaris at 45 degree altitude is Massena, New York.

On what day did the Paramecium aurelia population reach the carrying capacity of the environment? How do you know?

Answers

Day 8 because the days after the same number were repeated. (Hope that helps)

Which part of the membrane can catalyst chemical reactions

Answers

Answer:

Should be the proteins

Here is an easy question with 20 points :))))
Which best explains how some animals survive in a cold and snowy habitat?
A) They find shelter.
B) They hunt at night.
C) They sleep all summer.​

Answers

Answer:

heyyyyyy

Explanation:

nfxhuyhffgggvvuhgggg

I like it cur G

An egg is protected by its outer shell. However, the shell also allows moisture and air to pass through. Which cell structure performs a similar function? A. cell membrane B. cytoplasm C. nucleus D. vacuole

Answers

Answer:

A. Cell membrane

Explanation:

The cell is the basic unit of the living organisms. The cell consists of the various cell organelles like nucleus, mitochondria and Golgi. The cell membrane covers the cell boundary.

The outer shell protects the egg and allows the exchange of moisture. The plasma membrane performs the similar functions ad allows the transport of some selected particles only.

Thus, the correct answer is option (A).

Answer:

A. cell membrane

I hope this helps

Jonathan designed an experiment to plant lima bean seeds. His variable was to change what kind of light each plant received. He
used a different kind of light with each plant. He hypothesized that the plant grown under the plant light would have the greatest
amount of growth. Did the data support the hypothesis? Explain.

Answers

Answer:

Yes, it was.

Explanation:

The data did support the hypothesis because the data given was generalized on the change of light each plant received. The hypothesis was that the plant light would have the greatest amount of growth. The data was the different light types and the hypothesis was which one he inferred would work best.

Answer:

- The type of plants used in the study

- The number of plants in each experimental group

- A complete citation of the source

Explanation:

PLEASE HELP WILL CHOOSE BRAINLIEST

Choose all of the following that would require active transport to pass through the membrane

hydrophobic molecules


Polysaccarides


Proteins


Carbon dioxide


Oxygen


Large polar molecules

Answers

Answer:

proteins!

Explanation:


One reason why people should be aware of the impact of their actions on the environment is that

Answers

One reason they should be aware of their impact of their actions on the environment is that it can affect them. Doing harmful thing to our environment kills our planet and ultimately kills off life as well.

what is the electric charge on a neutron

Answers

Answer:

Neutral

Explanation:

You get a cut on your finger and some bacteria enter. Your immune system cells kill off the invaders by ingesting them. This is an example of:

Answers

It’s an example of Phagocytosis.

What percent of your body weight does muscle make up?

Answers

Answer:

33% to 38%

Explanation:

Answer:

fifty percent

Explanation:

In humans, muscles make up about thirty to fifty percent of a person's total mass

(photo) which could cause a rigid container of gas to explode?

Answers

Answer:

c. Increasing The Temperature

Explanation:

The data above shows all of the differences in DNA in a sequence of 500bases. what percentage of this 500-base sequence do humans share with chimpanzees?

A) 1/500 = 0.2%
B) 05/500 = 1%
C) 495/500 = 99%
D) 499/500 = 99.8%

Answers

Answer:

C) 495/500 = 99%

Explanation:

I've taken shown test. <3

during duffusion molecules move ?

Answers

Answer:

During diffusion, molecules do move.

Explanation:

What holds the base pairs together in DNA molecule?

Answers

Answer:

Hydrogen Bonds

Explanation:

Answer:

They are held together by hydrogen bonds

PLEASE ANSWER ASAP!!!

Answers

Answer:

An ecosystem

Explanation:

Answer:

D: an ecosystem

Explanation:

This is because if you're surrounded by all communities to make one that is classified as an ecosystem.

What are some of the medical advances made recently?
MRIS
Camera's small enough to swallow
Sterilization of instruments
Eye glasses
Penicillin
CAT scans

Answers

most reasonable answer is the swallowable camera one. mris and cat scans were invented in the 70s and the rest of the answers are around the 1800s or before.

Answer:

B, C, F

I'm not sure if these are exactly correct, but I hope I helped at least a bit!

PLEASE HELP ASAP! Everyone else is just answering for points.. ugh. Just some vocab help please

Answers

Answer:

1. D

2. J

3. A

4. B

5. H

6. E

7. F

8. G

9. C

10. I

Hope this helps! ;)

What are the two products of Cellular respiration?

Answers

Answer:

Oxygen & Glucose are the two main reactants in Cell. Respiration.

2 forms of the same gene is?

Answers

Answer:

alleles

Explanation:

Different forms of same gene are called alleles.

An individual diploid organism always possesses two doses of the same gene, i.e. two alleles on its pair of homologous chromosomes.

Please help with this question will give brainiest to best answer

Answers

Answer:

I am going with b because I am 100% sure this is the correct answer

Explanation:

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