Answer:
A. Genetic changes among and within populations
Explanation:
Macro evolution is the theory that animals evolved over time into new species while micro evolution is more minute changes within a species, like a genetic mutation to help the species adapt to their environment. An example would be of a genetic mutation in the fur color of bears to make different types of bears like black bears, brown bears, polar bears, etc
Answer:
genetic changes among and within populations
Explanation:
