A change in an organisms that increases fitness
What is it called?

Are substances released into the environment that in excess amounts cause damage

Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity