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Appetizers

Across
an animal that feeds on carrion, dead plant material, or refuse
an organism deriving its nutritional requirements from complex organic substances.
a system of interlocking and interdependent food chains.
shows the flow of energy from one trophic, or feeding, level to the next in an ecosystem.
Primary consumers
Animal that feeds off meat.
How a food is grown, sold, and consumed.
an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Down
Animal that eats plants and meat.
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.
a biological community of interacting organisms and their physical environment.
Animal that feeds off plants.
an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
is an animal that obtains its nutrition by eating primary consumers and secondary consumers