e = 15, h, = 1, e, = 20, h, =2 15 14 13 12 11 10 6. 8 7. 4 Prey 1 3. 2. 10 20 30 40 50 60 70 80 90 100 110 Prey 1 Density Total Energy Gain

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Communities and Ecosystems

Ecology contains two words: Eikos means dwelling, and logy means to study, so the combined meaning is studying habitat or living.