The skeleton of sponges is secreted by

The skeleton of sponges is formed of spicules

Sponge is a

Assertion : The skeleton of sponges is made up of spicules. Reason : Composition of spicules help in classification of sponges.

Boring sponge is

Skeleton in sponges includes

Skeleton in sponges includes

Digestion in sponges is

Digestion in sponges is

What is the skeleton of sponges made up of ?

the percularity of sponges is