1. Producers and Consumers VOCABULARY 15

2. Living Thing A thing having life; in actual existence

3. Nonliving Thing A thing that lacks or has stopped displaying the characteristics of life

4. Ecosystem All of the living and nonliving parts of an environment

5. Photosynthesis The process by which plants use light to produce food

6. Interaction The direct effect that one thing has on another

7. Habitat The place in an ecosystem where an organism lives.

8. Producer An organism that makes its own food

9. Consumer An organism that gets its food by eating other organisms

10. Food Chain The sequence that traces food energy in an ecosystem from producers to consumers.

11. Food Web A system of overlapping and connecting food chains in an ecosystem.