Ecosystems

4. a nonliving part of the environment
6. layer of land that forms the earth's surface
8. an organism that eats other plants or animals for energy
12. energy derived from inorganic chemical reactions
13. everything that surrounds a particular organism
14. a three dimensional model that depicts some sort of scene, often found in museums
15. an organism that consumes the bodies of dead organisms and other organic wastes.

1. a primary producer that makes its own food
2. a producer that makes its own food
3. the combination of lithosphere, hydrosphere, and atmosphere in which life exits
5. a living part of the environment
7. all the populations that live and interact in the same environment
9. the study of interactions between living and nonliving things
10. an organism that is unable to make its own food
11. a building that can be used to produce food