ECOLOGY STUDY GUIDE
1. What is ecology?
2. What is a population?
3. What is a community?
4. What are producers?
5. What is the ultimate source of energy for almost all life on earth?
6. What is a food chain?
7. What is an autotroph?
8. What is a heterotroph?
9. What is a chemotroph?
10.What are decomposers?
11.What is a carnivore?
12.What is an herbivore?
13.What is an omnivore?
14.What is a food web?
15.What are first, second, tertiary, and quaternary consumers? What are first,
second, tertiary, and quaternary consumers?
16.What is a trophic level?
17.How is most energy wasted between trophic levels?
18.What are the major biogeochemical cycles? (Check your cycles worksheet)
19.What is nitrogen fixation?
20.Where is most of the carbon in the biosphere found and in what form?
21.What is the most important organism in the nitropgen cycle?
22.What does biotic mean?
23.What does abiotic mean?
24.What is symbiosis?
25.What is commensalism?
26.What is mutualism?
27.What is parasitism?
28.What is predation?