The diagram given below represents the operation of natural selection on different traits. Choose the correct option.

What is a significant consequence of geographical isolation?

Who proposed the theory of continuity of germplasm?

Given below are two statements regarding evolution.
$Statement-I$: Selection against harmful mutation leads to a mutation balance.
$Statement-II$: In mutation balance, the allele frequency of harmful recessives keep on changing generation after generation.
In the light of above statements, choose the most appropriate answer from the options given below:

How were new breeds developed in domesticated dogs?

The idea of natural selection as the fundamental process of evolutionary changes was reached: