The Total solution for NCERT class 6-12
Porifera
Coelenterate
They are mostly marine, non-motile, and found attached to rocks.
They are exclusively marine animals that either live in colonies or have a solitary life-span.
They show cellular level of organisation.
They show tissue level of organisation.
Spongilla, Euplectella, etc. are poriferans.
Hydra, sea anemone, corals, etc. are coelenterates.