Explanation:
Melanin is the pigment which absorbs UV light and it is present in skin and gives black colour to it.As we can see africans usually have black skin as they have to face direct uv light.
Taxonomy seeks to organize all living things in a logical manner.
B) carbohydrates
[: The chemical change that occurs in the leaves of green plants. It uses light energy to convert carbon dioxide and water into glucose. Oxygen is produced as a by-product of photosynthesis. ] [: A type of carbohydrate.
Answer: B) It controls the autonomic nervous system and regulates hunger and thirst sensations.
Fruit flies share 75% of the genes that cause diseases with humans, so scientists can learn about human genetics by studying fruit fly genetics.
