IAS General Studies Prelims Question No. 73
[A] obtains its energy from sunlight, harnessed by pigments
[B] obtains its energy by oxidizing organic molecules
[C] makes organic molecules from CO2
[D] obtains its energy by consuming exclusively autotrophs
A heterotroph obtains its energy from organic molecules. An autotroph obtains energy from sunlight utilizing pigments including chlorophyll (A) and uses CO2 and water to make organic molecules. heterotrophs can obtain their energy from ingesting autotrophs, but can also consume other heterotrophs.
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