Question

main features of phylum coelenterata​

Answer 1

Answer:

there are organisms living in water. show more differentiation than Porifera. diploblastic. they live in groups and some others have a solitary life span. cnidarians living in colonies are corals nd cnidarians with solitary middle life span is hydra .other examples of sea anemones and jellyfishes

Answer 2

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Important Features of Coelenterata are :-

• The animals of this phylum are multicellular and diploblastic.
• There is large body cavity, called coelenteron in the body.
• Body bears many nematocysts or cnidoblast cells (Stinging Cells).
• Two important polymorphic forms are present in life cycle-polyp and medusa.
• All organisms are aquatic. They show radial or biradial symmetry.
• All sponges are bisexual (hermaphrodite). Reproduction is both asexual and sexual.
• Examples of this phylum are:- Hydra, Aurelia, Physalia, etc.