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Question: Answered & Verified by Expert
What is the mechanism of breathing for sponges?
BiologyBreathing and Exchange of GasesNEET
Options:
  • A By simple diffusion over their entire body surface
  • B Through tracheal tubes
  • C By a moist cuticle
  • D By pumping water through a series of chambers
Solution:
2125 Upvotes Verified Answer
The correct answer is: By simple diffusion over their entire body surface
Sponges exchange O₂ and CO₂ by simple diffusion over their entire body surface.

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