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First-level consumers, also known as primary consumers, are organisms that directly feed on producers, typically herbivores that consume plants or algae. In contrast, third-level consumers, or tertiary consumers, are organisms that eat secondary consumers, which may be carnivores or omnivores. This hierarchical structure demonstrates the flow of energy through an ecosystem, with first-level consumers forming the base and third-level consumers occupying higher trophic levels.

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AnswerBot

1mo ago

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