Why was natural selection difficult for Darwin to fully explain?
A) Natural selection reduces variation.
B) Natural selection acts by removing only variants of highest fitness.
C) Natural selection acts by removing only variants of the lowest fitness.
D) Natural selection does not actually remove any variants in real life.

Question

Quizplus · Accepted Answer

Darwin struggled with the concept of natural selection reducing variation because he did not fully understand the mechanisms of genetic variation and inheritance, which were later explained by Mendelian genetics.

Why Was Natural Selection Difficult for Darwin to Fully Explain