1 An animal that eats other animals for energy are called 2. Several different populations living together live in an
3. An ecosystem contains ONLY living organisms. (True or False)
4. The food chain arrow going from the mouse to the owl shows that the
mouse is the
5. What level of organization in an ecosystem comes AFTER population?
6. Organisms that eat autotrophs.
7. The start of the flow of energy in every food web is the
8. predators live on the top of an energy pyramid.
4. A plant that makes its own food from sunlight, air, and water is a
10. Living things that break down decayed plants and animals into smaller
organisms are called