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bulgar [2K]
3 years ago
11

HELP ASAP

Biology
1 answer:
Hunter-Best [27]3 years ago
6 0

Answer:

Well maybe most of the ancient horses died becuse of how small they were and had to evolve to survive and live longer. Probably.

Explanation:

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3. Summarize why the definition of species had changed over time
Tasya [4]

Answer:

Originally, the distinction was based on morphological differences. However, it soon became that some types of organisms had different forms at various stages in their lives, here is why

Explanation:

changed genes is passed on to the next generation. Most mutations are bad, but some of them make the organism more successful in its life. Organisms that inherit that favorable new gene are likely to become more abundant than others of the species. (geologic times)

3 0
3 years ago
Which statements describe the Peary Land ecosystem? Select all that apply
fgiga [73]

Answer:

1 and 2

Explanation:

hope this helps a lot:3

4 0
2 years ago
How is the mass number calculated for an element? A. The difference between the mass and the protons B. There is no calculation.
Nana76 [90]

The best answer is D.

The mass number of an element is the sum of the number of protons and the number of neutrons. Protons and neutrons both weigh about one atomic mass unit or amu.

The nucleus of an atom is made up of protons and neutrons. Both these two types of particles are almost the same size.  Almost all the mass of an atom (99%) is in the nucleus. Atomic mass therefore is really a measure of the size of the nucleus.


3 0
4 years ago
Read 2 more answers
Which of the following are some of the sections of Darwin’s theory of evolution by natural selection? (Choose all that apply) [[
Naddik [55]

Answer:

- competition

 overproduction

-  differential reproduction

explanation:

- Competition

According to Darwin, Competition refers to the struggles that living organisms have to face on day to day basis in order to obtain enough resources (such as food and water) To survive.

- Overproduction

Charles Darwin stated that overproduction is organisms' tendency to produce more offspring than what they could realistically sustain. Darwin believe that they did this because there is always a chance that the offsprings might got killed and unable to obtain food before they can reproduce again. Overproduction ensure that their genetic line can continue for as long as possible.

- differential reproduction

Darwin believe that organisms have a tendency to reproduce with other organism if they have a certain unique characteristics that help them survive. (Such as more strength, better beak shapes, Longer necks, etc)

5 0
3 years ago
Which of the following conditions will result in the lowest rabbit population?
Evgen [1.6K]

Answer:

B.

Explanation:

I believe that grey check mark beside B. indicates that is the correct answer.

4 0
3 years ago
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