What is the skeleton of sponges made up of ?

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

What is the skeleton of Poriferans made of?

What is skeleton?

The outer skeleton of snail is made up of .......... .

Fill in the blanks : The skeleton of shark is made up of ________.

Is this entire skeleton of our body made up of a single bone?

In poriferans, the skeleton is made up of

In poriferans, the skeleton is made up of

The skeleton of Echinoderms is made of