Question

special characteristic features of cnidaria

Answer 1

Answer:

1.alternation of generation

2.stinging capsules called cnidoblast

3.exclusively marine

4.varying and atteactive body forms like sea pen,sea fan,man of war etc.

5.tissue level of organisation

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