Multiple choice

Which of the following statements does NOT characterises bath sponges?

  1. They are more-or-less cup-shaped animals.

  2. Some species of glass sponges forms bioherms.

  3. Glass sponges are relatively uncommon.

  4. The body is relatively asymmetrical.

  5. Much of the body is composed of syncitial tissue.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The body is relatively symmetrical, with a large central cavity that in many species, opens to the outside through a sieve formed from the skeleton.

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