Question

write the characteristics of cnideria with example​

Answer 1

Answer:

1. They are know as Coelentrates.

2. Tissue system

3. Radially Symmetry

4. Acoelomate

5. Cnidoblasts is present

6. Single Opening Mouth

7. two body- polyp and medusa

8. digestion- extracellular and intracellular

9. polyps produce medusa asexually

10. medusa produce polyps sexually

11. e.g.- Obelia

Examples:- Adamsia, Pennatula, Gorgonia, Meandrina, Hydra, Aurelia and Physalia.