All animals are chemoheterotrophs. Animals survive by consuming
plants or other animals. Energy is obtained from organic compounds
that have oxidized.
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chemoautotroph
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Photo and Chemo in Heterotrophs refer to their way of eating and
gathering nutrition. If it using light for energy, it is a
photoheterotroph. If it gets its energy from inorganic/organic
compounds, it is an chemoheterotroph.