Cnidaria: Features, Habitat and Its Classification

In this article we will discuss about Cnidaria:- 1. Definition and Origin of Cnidaria 2. Habit and Habitat of Cnidaria 3. Characteristic Features 4. Classification. Definition and Origin of Cnidaria: Diploblastic metazoans with radial symme­try, tissues but rarely organs and a single central body cavity with mouth and tentacles but no anus, and the stinging cells or nematocysts, and with [...]