Ecology Review

2. factor living or once living (and now dead) or made by something that was alive
4. succession occurs after a forest fire (where soil is left)
5. eats both plants and meat
8. must eat something for energy
13. used glucose and made carbon dioxide
14. being dependent on others for some needs, being mutually dependent on each other
16. eats dead animals

1. factor an environmental factor that is not alive, never lived, and was not part of something living
3. eats meat
4. a close relationship between species that benefits at least one of the species
6. both species benefit from the relationship
7. one living thing
9. is made of weathered rock, minerals, humus, water, and air
10. mix and sand, clay and silt
11. all of the different populations things in an area (no abiotic factors)
12. the variety of life (or species) on Earth
15. all of the living and nonliving things that interact in an area