Multiple choice

Which of the following is a heterotrophic organism?

  1. Riccia

  2. Rhizopus

  3. Fern

  4. Spirogyra
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Rhizopus (bread mold) is a fungus that obtains organic nutrients from its environment, making it heterotrophic. Riccia, ferns, and Spirogyra are photosynthetic plants (autotrophs). Fungi cannot produce their own food and must absorb nutrients from external sources.

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