Multiple choice

What will remain after the bath sponge gets dried up?

  1. Spongin fibres

  2. Silk fibres

  3. Muscle fibres

  4. Nerve fibres

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The bath sponge (Spongia) has a skeleton composed of spongin fibers. When the living tissue is removed and the sponge is dried, only the spongin fiber network remains.