Which statement is accurate about evolution?

A) The environment selects for traits that are a good fit. These traits survive in a population and over many generations, the genetic make up of the population changes.

B) As the environment changes, organisms adapt and change to survive. Organisms adapting and changing during their lifetime leads to evolution of the population.

C) Mutations occur regardless of the environment. These mutations will always lead to evolution of the population.

D) Regardless of the environmental change, the genetic frequencies of a population always stay the same. Evolution occurs when there is no change in the population over time.