The skeleton of bath sponge, Euspongia, is made of

Common bath sponge is

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

Skeleton of sponges is made up of ………. and ……….

The entire skeleton of fishes like sharks is made of

Skeleton in sponges includes

Skeleton in sponges includes

The skeleton of sponges is secreted by

The skeleton of sponges is formed of spicules

The skeleton manufacturing cells in sponges are

The common bath sponge is_______.