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Monerans, or bacteria, live everywhere. They are in the soil, in water, in the air, and in and on us. Human, and other, life without them would be impossible. They, along with Protists and Fungi, breakdown and return organic compounds back into all food webs. Some Monerans are autotrophs. They use energy from sunlight to make food. Other autotrophic Monerans live at the ocean bottom and use the energy contained in minerals emitted from steam vents to make food. Autotrophic bacteria form the base for the life that exists in those deep depths. Heterotrophic bacteria in our intestines breakdown food for us. We could not digest plant material without them. Some Monera require oxygen for life processes(aerobic ), and some do not require oxygen( anaerobic).

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17y ago

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