How organisms are able to survive in changing environment?

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

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.