Multiple choice

Which of the following is not a characteristic of phylum Porifera?

  1. They have a cellular level of organisation.

  2. Digestion is intracellular.

  3. Muscles and nerve cells are absent.

  4. Appendages are present in poriferans in the form of tentacles.

  5. Poriferans contain the special cells called collar cells or choanocytes.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option as appendages are absent in poriferans.

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