Question

what is the feature of cnidaria

Answer 1

All Cnidaria are aquatic, mostly marine, organisms. They all have tentacles with stinging cells called nematocysts that they use to capture food. Cnidarians only have two body layers, the ectoderm and endoderm, separated by a jelly-like layer called the mesoglea. Most Cnidarians have radial symmetry.

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