Question

give general characters of kingdom cnideria​

Answer 1

Answer:

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

Explanation:

Answer 2

General characters of kingdom Cnidaria are

• These are mostly marine and a few like hydra live in fresh water
• Many are colonial (Eg: Corals). Some are solitary (Eg: sea anemone)
• They are diploblastic and show tissue grade of organization
• The body is radially symmetric but sea anemones show biradial symmetry
• Polyp and medusa re the two different forms of cnidarians. Polyp is hydroid form which is sessile with mouth-up orientation. Medusa is umbrella or bell shaped with mouth down orientation. It swims by constricting the bell.