Biology Midterm Review

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Trophic Level

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Refers to the position an organism occupies in a food chain.

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Detritivore

Back

An organism that eats dead/decaying organic material.

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Chemical Process

Back

In a chemical process, atoms are rearranged and energy is absorbed or released.

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Omnivore

Back

An organism that eats both plants and meats.

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Protein

Back

Macromolecules essential to structural components of the body; includes hair, hooves, enzymes, antibodies, etc.

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Niche

Back

The role or function of an organism or species within an ecosystem.

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Photosynthesis

Back

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

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Ecosystem

Back

A biological community of interacting organisms and their physical environment.

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Food Chain

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

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Herbivore

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An organism that primarily eats plants.