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17 Cards in this Set
- Front
- Back
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What is a producer?
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The source of all the food in an ecosystem. Producers are plants
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What is a consumer?
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An organism that feeds directly or indirectly on producers
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What are decomposers?
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Organisms that break down dead organisms into simpler substances
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What is a food chain?
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A series of events in which food and energy is transferred from one organism to another
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What is a food web?
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Many food chains connected together
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What is a niche?
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An organism's role in the community. (Everything it does and needs)
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What is competition?
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When organisms struggle with one another to get the things they need to survive
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What is predation?
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When animals hunt other animals for food.
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What are predators?
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The animals that do the hunting.
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What are prey?
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The animals that get caught and eaten by the predators
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What is symbiosis?
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A close relationship between two organisms where one lives on, near, or even inside the other one
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Name the three kinds of symbiosis
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commensalism, mutualism, and parasitism
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What is commensalism?
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One organism benefits and the other one is not harmed
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What is mutualism?
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Both organisms benefit
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What is parasitism?
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One organism benefits and the other is harmed
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What is a parasite?
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the organisms that lives on or in the host
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What is a host?
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The organism that the parasite lives on or in
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