Which idea inspired darwin’s theory of evolution?

a. species as a whole have remained unchanged for millions of years.

b. population changes are driven by competition and sexual selection.

c. organisms can modify their environment to improve living conditions.

d. traits acquired during the lifetime of an organism can be passed on.

The correct answer is option B, Population changes are driven by competition and sexual selection.

Explanation:

Darwin’s theory is also known as theory of sexual selection in which species  develop specific physical, mental or psychological traits as a process of evolution to lead to enhancement of competition among individuals for access to preferred mates or development of these traits help in attracting mates. Natural selection  increase or decrease frequency of alleles  existing in the population