Here are the identifications and explanations for each picture: c) Ecosystem: A community of living organisms (biotic components) interacting with their non-living environment (abiotic components) in a particular area. Explanation:* This picture includes various living organisms (hawks, snakes, bison, prairie dogs, grass) and non-living elements (stream, land), showing their interactions within an environment. d) Population: A group of individuals of the same species living in the same area at the same time. Explanation:* This picture shows multiple bison, which are all individuals of the same species, forming a herd. e) Organism: An individual living thing. Explanation:* This picture shows a single bison, representing one individual living being.