When members of a population attain sexual maturity at different times preventing inter-breeding,it is termed as . . . . . . isolation.

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

Through which process were moths able to survive?

The material for organic evolution is

Arrange the events of Darwinism in the correct sequence.
$I -$ Natural selection
$II -$ Variations and their inheritance
$III -$ Survival of the fittest
$IV -$ Struggle for existence

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: