Ecology Producers, Consumers, Decomposers

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What are primary producers?

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Producers, or autotrophs, are organisms that produce their food through photosynthesis (using sunlight) or chemosynthesis (using chemical energy). Examples include plants, algae, and certain bacteria.

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What are primary consumers?

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Herbivores that feed directly on producers (e.g., deer, caterpillars).

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What are secondary consumers?

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Carnivores that eat primary consumers (e.g., wolves, frogs).

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What are tertiary consumers?

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Carnivores that eat secondary consumers (e.g., eagles, sharks).

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What are omnivores?

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Organisms that eat both plants and animals (e.g., bears, humans).

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What are decomposers?

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Organisms, primarily fungi and bacteria, that break down dead matter and recycle nutrients back into the ecosystem.