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Which of these is an autotroph?

  • A.Cuscuta
  • B.Algae
  • C.Bacteria
  • D.Mushroom

Answer: B

Correct answer: Algae

An autotroph makes its own food, and algae do so by photosynthesis. Mushrooms and most bacteria absorb organic nutrients, and Cuscuta (dodder) is a parasitic plant with almost no chlorophyll, drawing its food from a host.

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