food chain - grass-->beetle-->frog-->snake, herbivore - gets energy from eating plants, trophic level - position an organism occupies food pyramid, consumer/heterotroph - organisms that eat others for food, carnivore - eats mainly meat, community - group of populations interacting together, producer/autotroph - uses photosynthesis to make own food, 10% rule - only 10% of energy is pass from one trophic level to the next, omnivore - eats both plants and meat, decomposer - break down dead organisms, Niche - an organisms role in its environment, Abiotic factor - not alive; never will be, Biotic factor - is or was alive, Habitat - an organisms home,

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