Is the begging the end

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

Involving transcription and translaton. explain the causes and effects of damage to the genetic code.