Food Chains/Webs/Pyramids

Question Answer
herbivore plant eating animal
carnivore meat eating animal
producer an organism that produces its own food
consumer an organism that must eat other organisms because it can't produce its own food
omnivore eats both plants and other animals
food chain nutrients are passed along from organism to organism in a linear sequence
decomposer organism that breaks down the remains and wastes of other organisms
food web shows how food chains are interconnected
food pyramid shows how available energy decreases in a food chain
symbiosis relationship between two or more organisms that live on or inside one another
parasitism a symbiotic relationship in which one organism benefits while the other organism is harmed
commensalism a symbiotic relationship in which one organism benefits while the other organism is unaffected
mutualism a symbiotic relationship in which both organisms benefit
biodiversity the variety of life forms that exist
ecological succession natural process by which one community is replaced by another
renewable resource a resource that can be replenished
nonrenewable resource a resource that cannot be naturally replaced

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