Ecology

3. actor an environmental factor that has never lived, that was never alive, and was not part of something living
6. being dependent (in need of) on others for some needs, being mutually dependent on one another
9. all the members of one species living in an area
10. all of the different populations in an area living together
13. eats plants (ex. grass)
14. all of the living and nonliving things that interact in an area
16. one living thing
17. must eat something for energy (animals or plants)

1. eats meat (ex. mouse)
2. factor living or once living or made by something that lived
4. the variety of species on Earth
5. recycles dead organisms and waste
7. animals make this using sugar and turn it into carbon dioxide
8. the process in which plants make oxygen and sugar using water, sunlight, and carbon dioxide
11. eat both plants and meat
12. eats dead animals (ex. a vulture eats a dead bear)
15. makes its own food