Producer - an organism that produces organic compounds from simple substances such as water and carbon dioxide; an autotroph, Consumer - an organism that derives the organic compounds and energy it needs from the consumption of other organisms; a heterotroph., Decomposer - an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material., Scavenger - an animal that feeds on carrion, dead plant material, or refuse., Food Chain - a hierarchical series of organisms each dependent on the next as a source of food., Food Web - a system of interlocking and interdependent food chains., Energy Pyramid - is a model that shows the flow of energy from one trophic, or feeding, level to the next in an ecosystem., Trophic Level - each of several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy, Biotic - relating to or resulting from living things, especially in their ecological relations, Abiotic - physical rather than biological; not derived from living organisms.,

Ecosystems Match Up

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