Natural Selection is a process in which certain traits become more common or not. This is determined by the necessity of certain traits and the environment the species finds itself in. Natural selection only acts on existing traits because they are the traits active in a given species in a given environment.
Answer:
true
Explanation:
Coal is a non-renewable energy source because it takes millions of years to form.
Answer:
Fitness is the ability to survive and produce offspring who can also survive and reproduce. Below are descriptions of four