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1. What is an ecosystem and what are two ways biotic factors depend on abiotic factors?
2. What does a food chain show and what are three roles organisms have to obtain energy?
3. What prevents a population from growing too large?
4. What are three kinds of symbiosis?
5. What is IPM and what are the four methods used to control pests?
Vocabulary (missing "energy pyramid" and "carrying capacity"):
Last Modified on April 24, 2012