Answer:
He did research in genetics.
Explanation:
Genetics is qualities, hereditary variety, and/or heredity in living creatures. It's the largest field of science, however, meets every now and again with numerous other life sciences and is firmly connected with the investigation of data frameworks.
Grizzy bear's habitat is a physical area where the bear lives. All grizzy bears live in this habitat to survive.
the answer to ur problem above is (b)
