The answer is (2) Chemotrophs
Justification- organization getting energy from the sun is called Phototrophs.
Some organizations are known as. autotrophs fixing carbon from Co2, and Others are known as heterotrophs fixing carbon from organic compounds Chemotrophs are organisms obtaining energy by fixing chemical compounds. According to the carbon source, chemotrophs are further classified into chemoautotrophs or chemoheterotrophs. A lithotroph uses inorganic substrates as a major source of electrons thus driving energy acquisition.
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