2. Physical changes in individuals in a species that allow for better
survival.
Variation or
Adaptation

Adaptation

Explanation:

Think about asexual organisms. They are basically a photocopy of their parent, but they can change so they have a better chance at surviving in that particular environment as that environment is changing.

they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.