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Autotrophs are living beings that are able to derive energy from a source other than another living being- the source being sunlight or chemicals in the environment. Autotrophs include but are not limited to; plants who photosynthesize sunlight into chemical energy and microorganisms that live off of the chemicals secreted by hydrothermal vents deep under the ocean.

With that being said, many things eat autotrophs- as a matter of fact most food systems start with auotrophs at the bottom.

Some animals that eat autotrophs - Humans, dogs, hummingbirds, cows and horses. These animals are more largely called heterotrophs because they cannot derive their metabolic energy on their own- they must consume it through their diet by eating plants if they are herbivorous or meat if they are carnivorous.

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15y ago

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