The grade of organisation in sponges is

Digestion in sponges is

Digestion in sponges is

Nutrition in sponges is

Boring sponge is

Sponge is a

Boring spong is

Tissue grade of organisation originated from

Assertion :- Coelenterates have tissue grade of organisation. Reason :- In coelenterates the cells performing the same function are arranged into group.

Write about the cellular level of organisation of sponges.

Assertion : Sponges exhibit cellular level of organisation. Reason: In sponges, cells are arranged as loose cell aggregates.