Question

Cnidaria or coelenterates

Answer 1

Answer:

Tentacles bear stinging cells.

They have a hollow body.

They are mostly aquatic, marine.

They possess organ level of organisation.

They are triploblastic.

For example:-jellyfish

Answer 2

✳️ CNIDARIA ✳️

• Aquatic animals, mostly marine, some live in freshwater.
• Body is soft, transparent, hollow, sac-like, with only one opening at the upper end, the mouth.
• The mouth is surrounded by finger-like projections called tentacles for catching food (prey).
• Body is radially symmetrical.
• All Cnidarians are carnivorous.

EXAMPLES - Hydra, sea-anemone, jelly fish, corals