Question

Which sentence best represents the process through evolution occurs?

A) Organisms always exhibit dominant genes.

B) Mutations lead to disease.

C) Organisms that are fit, survive and reproduce.

D) Allele frequencies do not change.

Answer 1

C; A is false they sometimes exhibit recessive genes, B is true but not all species die from these diseases and D is also false

Answer 2

The correct answer is C) Organisms that are fit, survive and reproduce.

Theory of evolution states that the organisms which are fit will survive and they will be able to increase their generations through reproduction. An organism is considered as fit when it is able to survive in the unfavorable environmental conditions by changing itself through adaptations. Such organism will be able survive and reproduce.

In contrast to this, the organisms which are are unable to adapt the adverse environment will tend to extinct from the earth. Such organisms are considered as unfit.