Flashcard - Ecology LO#2 (Community Relationships)

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What is a producer in an ecosystem?

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A producer is an organism that can make its own food through photosynthesis or chemosynthesis, typically plants.

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What is a primary consumer?

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A primary consumer is an organism that eats producers; they are usually herbivores.

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What is a secondary consumer?

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A secondary consumer is an organism that eats primary consumers; they can be carnivores or omnivores.

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What is a tertiary consumer?

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A tertiary consumer is an organism that eats secondary consumers; they are typically carnivores.

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What is a quaternary consumer?

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A quaternary consumer is an organism that is at the top of the food chain and eats tertiary consumers.

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What is a trophic level?

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A trophic level is the position an organism occupies in a food chain, which is determined by its feeding relationships.

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What is an herbivore?

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An herbivore is an animal that primarily eats plants.

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What is a carnivore?

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A carnivore is an animal that primarily eats other animals.

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What is an omnivore?

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An omnivore is an animal that eats both plants and animals.

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What is the role of decomposers in an ecosystem?

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Decomposers break down dead organisms and recycle nutrients back into the soil.