What type of skeleton do some cnidarians have?

What type of skeleton do some cnidarians have?
  1. Spicules or spongin fibers
  2. Calcium carbonate
  3. Both spicules or spongin fibers and calcium carbonate
  4. None of the above

Solution

Some cnidarians, such as corals, have a skeleton composed of calcium carbonate.

Asked in: NCERT

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