Question

write the salient characters of cnidaria​

Answer 1

Answer:

General Characters of Phylum Cnidaria

1. These are mostly marine and a few like hydra live in fresh water.

2. Many are colonial (Eg: Corals). ...

3. They are diploblastic and show tissue grade of organization.

4. The body is radially symmetric but sea anemones show biradial 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