Identify the phenomenon in which the members of a species do not interbreed with the members of other species or the same species.

Who stated that human population grows geometrically?

In a gene pool,along with beneficial mutations,those mutations also exist which are damaging to an individual. It has been found that these mutations are often not eliminated from the population because:
$I.$ They have survival value.
$II.$ They are acquired.
$III.$ They are recessive and carried by heterozygous individuals.
$IV.$ They show genetic drift.
Choose the incorrect option$(s)$ regarding why these mutations persist in the gene pool.

Prodigality of reproduction in Darwinism refers to:

What is the role of isolation in evolution?

Saltation stands for