Non-Chordates: Features of Major Phyla · NCERT Biology

Specialized cells called flame cells help in osmoregulation and excretion in which group of animals?

  1. Roundworms (Nemathelminthes)
  2. Platyhelminthes (Flatworms)
  3. Earthworms (Oligochaeta)
  4. Hookworms (Ancylostoma)
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Correct answer: Platyhelminthes (Flatworms)

Flame cells are the excretory structures found in Phylum Platyhelminthes (flatworms). They function primarily to maintain osmotic balance and remove metabolic wastes.

Difficulty: Medium Question 6 of 20

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