Which of the Following Are the Three Components to the Principle

Multiple Choice

Which of the following are the three components to the principle of natural selection?

A) Traits vary within a population; Organisms must compete for limited resources; Individuals learn to adapt to their environment.
B) Organisms must compete for limited resources; Traits are heritable; Successful individuals are better able to survive.
C) Traits vary within a species; Traits are heritable; Some species live longer than others.
D) Traits vary within a species and between species; Traits are heritable; Organisms must compete for limited resources.