Multiple choice

The classification of porifera is based on

  1. ascocytes

  2. canal system

  3. spicules

  4. choanocytes

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

The classification of sponges (Porifera) is primarily based on the composition and structure of their endoskeleton, which consists of spicules (calcareous or siliceous) or spongin fibers.