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Some believe chemosynthetic autotrophs are some of the only life forms alive today that were there at the beginning of the Earth, why?

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This view has been supported by the discovery of small ecosystems that thrive in the hot (350°C/660°F) water found around hydrothermal vents on the ocean floor. In these ecosystems, the primary producers in the food web are bacteria whose life functions are fueled by inorganic chemicals ...

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Get more facts and information about chemosynthesis . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

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