Evolution Test 2

An isolated population of humans with equal number of blue-eyed and brown-eyed individuals was decimated by an earthquake. Only a few brown-eyed remained to form the next generation. This kind of change in the gene pool is called:

Question 1/5

Drug resistance.

Darkening of skin due to smoke from industries.

Defensive adaptation of skin against UV-rays.

The protective resemblance with the surrounding.

Question 2/5

Speciation

Succession

Competition

Extinction

Question 3/5

Triticum aestivum

Biston Betularia

Rock python

Mimosa pudica

Question 4/5

Blocked gene flow

Founder effect

Bottle neck effect

Hardy-Weinberg equilibrium

Question 5/5

Mutations

Natural selection

Recombination

All of these