Evolution occurs when

A) individuals in a population change in response to the environment.
B) the average value of trait in a population changes from one generation to the next.
C) individuals in a population change in response to the environment and the average value of trait in a population changes from one generation to the next.
D) None of the given choices are correct.

Evolutionary Change

Refers to the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the Earth.

Environment

The surrounding conditions and factors that influence living organisms, including natural, social, and built aspects.

Average Value

A statistical measure that describes the central tendency or typical value of a set of numbers, often calculated as the sum of the values divided by the number of values.