Question

what is coelenterates

Answer 1

Coelenterates are organisms which are radially symmetrical and have sac-like bodies with only one opening and tentacles with stinging structure. All coelenterates are mostly marine. Some of the examples are corals, sea anemone etc.

Answer 2

Coelenterata is term encompassing two animal phyla, the Ctenophora and the Cnidaria. The name comes from the Greek "koilos", referring to the hollow body cavity common to these two phyla