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Rudik [331]
4 years ago
13

Please help I only have 34 minutes

Biology
1 answer:
Tresset [83]4 years ago
3 0

Answer:

Hello! The answer is D

Explanation:

The answer is D because it is actually describing what is going on in a change  of a blood flow in the human body

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2) A population of animals is permanently split by a natural barrier into two separate populations in different environments. Wh
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Answer:

C) The two populations will evolve into separate species.

Explanation:

In the given question, the population of animals has been split into two different populations due to a natural barrier present between them.

When we will observe these species after a very long time, the species will not be able to reproduce with each other and will be reproductively isolated.  This reproductive isolation will lead to the formation of new species but belonging to the same genus.

Thus, Option-C is correct.

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mRNA is “messenger” RNA. mRNA is synthesized in the nucleus using the nucleotide sequence of DNA as a template. This process requires nucleotide triphosphates as substrates and is catalyzed by the enzyme RNA polymerase II. The process of making mRNA from DNA is called transcription, and it occurs in the nucleus.

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