Question

multiple - choice question
evolution happens in a
organism
population
rewatch

Explanation:

Evolution is a change in the genetic makeup of a population over time. It does not occur within a single organism during its lifetime in the sense of the overall definition of evolution. A single - organism can undergo development and changes due to environmental factors or other biological processes, but evolution is about changes in gene frequencies in a group of organisms (population).

Answer:

B. population