A change in the environment that affects an organism
A characteristic that helps an organism survive in its environment
A difference among members of the same species.
Is the same as a variation
A characteristic that is passed from generation to generation
Survival of the fittest - organisms that are best suited to environment survive and reproduce
The path that energy and nutrients follow in an ecosystem.
The coral snake.
The viceroy butterfly
The robber fly
Is a change in an organism's genetic material
Is a portion of a chromosome that contains chemical instructions for inherited traits.
Is the passing down of inherited traits from one generation to another
Is a many celled organism
The arctic fox
The emperor penguin