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An organism, often a bacterium or fungus that feeds on and breaks down dead plants or animal matter, thus making organic nutrients available to the ecosystem
Decomposer
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An organism that eats both plants and animals
Omnivore
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An autotrophic organism that serves as a source of food for other organisms in a food chain
Producer
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An animal hunted or captured by another for food
Prey
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A symbiotic relationship in which one organism benefits and the other is generally harmed
Parasitism
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Any living biological entity, such as an animal, plant, fungus, or bacterium
Organism
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An animal that feeds mainly or only on plants. In a food chain, they are primary consumers
Herbivore
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Sequence of transfer of matter and energy from organism to organism
Food Chain
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An interaction between two species that benefits both
Mutualism
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The environment in which an animal or plant normally lives or grows
Habitat
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The unique role or way of life of a plant or animal species; physical space occupied by the organism
Niche
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The habitual living together of organisms of different species
Symbiosis
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Involving the interactions between a community of organisms in a particular area and its nonliving environment
Ecosystem
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An animal that relays on other animals as a source of food
Predator
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Variety or multiformity
Diversity
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