Characteristics of Phylum Coelenterata

 

1. i) Animals belonging to this group have a special cavity called coelenteron hence they are called coelenterates.

 

1. ii) They are diploblastic animals having two cellular body layers. Outer layer is called ectoderm and inner layer is called endoderm.

 

iii) All animals are marine but some live in fresh water.

 

1. iv) Animals can move freely but some remain attached to rocks throughout their life.

 

1. v) The common examples are Hydra, Jelly Fish and Sea anemone.

 

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