Encology

2. must eat something for energy
3. all of the different populations living in an area no biotic factors
5. by plants used with water, sunlight, and carbon dioxide and made with sugar and oxygen
7. by animals used with food/glucose and made with carbon dioxide
8. larger particles allow it to drain quickly
10. all the members of one species living in an area
14. smaller or tightly packed particles keep it from draining quickly
16. the variety of life or species on Earth
17. the succession that occurs after a volcanic eruption forms new land where there is no soil
18. one species benefits, the other is neither helped nor harmed
20. an environmental factor that is not alive, never lived, and was not part of something living
21. mix of sand, clay, and silt
22. eats plants
24. one species benefits, the other is harmed in someway
27. one living thing

1. the succession that occurs after a forest fire where soil is left
4. being dependent on others for some needs, being mutually depended on each other
6. provides energy for food chains
9. a pyramid that shows the amount of energy that moves from one energy level to the next
11. recycles dead organisms and waste
12. all of the living and nonliving things that interact in an area
13. made of weathered rock, minerals, humus, water and air
15. eats meat
19. eats dead animals
23. living or once living and now dead or made by something that was alive
24. makes its own food through the process of photosynthesis
25. a close relationship between species that benefits at least one of the species
26. both species benefit from the relationship
27. eats both plants and meat