Which one of the following statements is true?
A) Organisms always evolve the characteristics they need to survive.
B) Some individuals within the population must die for natural selection to occur.
C) Darwin used molecular biology as evidence of evolution.
D) Natural selection can only work on variation that already exists.
E) Convergent evolution produces homologous structures.

Question

Quizplus · Accepted Answer

Natural selection operates on existing genetic variation within a population. It cannot create new traits on demand but can select for traits that are advantageous, leading to changes in the population over time.

Which One of the Following Statements Is True