Species that are separated by geographical barriers are called ........

Discuss natural selection and artificial selection. What are the implications of the latter on the process of evolution?

Which of the following types of isolation is important for speciation?

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

Sympatric speciation is also known as

The chance elimination of genes from a small population is an example of what?