Which of the following best describes the principle of evolution by natural sele

Question

Which of the following best describes the principle of evolution by natural selection?

A. Individuals within a population are genetically identical and natural selection occurs randomly

B. Individuals within a population exhibit genetic variation and those that are best adapted to their environment survive

C. Individuals within a population exhibit genetic variation and those that are least adapted to their environment survive

D. Individuals within a population undergo genetic mutation and natural selection occurs randomly

E. Individuals within a population exhibit genetic variation and natural selection occurs randomly

Explanation / Answer

Natural selection:::-- this concept is given by Charles Darwin and Alfred Russel Wallace in joint presentation of paper in 1858, was elaborated in Darwins influential 1859 book "On the origion of species by means of natural selection ".

It is key mechanism of evolution, the change in heritable trait characteristics of population over generation.

Now what does it state::--->>>

Individuals within a population exihibit genetic variation and those that are best adapted to their environment.

So nature helps them to survive which follows above statement.

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