Vocabulary

3. an organism, especially a soil bacterium, fungus, or invertebrate, that breaks down organic material
5. Anything that has mass and takes up space
10. dioxide made up of one carbon atom and two oxygen atoms.
11. A biological community of interacting organisms and their physical environment
12. organisms that make their own food

1. Factors that are living
2. An individual animal, plant, or single-celled life form
4. what we need to survive
6. organisms that need to eat food to obtain their energy
7. factors that aren't living
8. may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other forms.
9. consists of all the food chains in a single ecosystem