In forming the theory of evolution by natural selection,Darwin was greatly influenced by

Which of the following is a result of geographical isolation?

Given below are two statements.
Statement $I$ - In disruptive natural selection,individuals acquire peripheral character value at both the ends of the distribution curve.
Statement $II$ - Industrial melanism is an example of disruptive selection.
In the light of the above statements,select the correct option given below:

Explain the example of insect resistance to pesticides as an instance of natural selection.

Explain antibiotic resistance observed in bacteria in light of Darwinian selection theory.

In a population,random genetic drift is typically the result of which of the following?