Hugo de Vries gave the mutation theory to explain the mechanism of evolution. He conducted his experiments on ...... .

Evolution is not continuous. It is a jerky and a discontinuous process. This is the punch line of

Select the incorrect statements:
$I.$ Natural selection is essential for evolution.
$II.$ Natural selection does not include variations.
$III.$ The concept of natural selection was given by Hugo de Vries.
$IV.$ Mutation is a sudden inheritable change.
$V.$ The synthetic theory is also called the Neo-Darwinism theory of evolution.

Gloger's rule is related to the:

Adaptation of a species is its

$A$ population splits into two or more groups and these groups occupy different ecological zones. This is known as: