Answer:
im not for sure but I think its B
Answer:
An individual animal, plant, or single-celled life form. Population: A particular section, group, or type of organisms living in an area or region. Levels of organization in ecology include the population, community, ecosystem, and biosphere. An ecosystem is all the living things in an area interacting with all of the abiotic parts of the environment
Explanation:
Just took the test and got it right
D, the belief that states should vote on it
