Question

Features of Celentrata

Answer 1

they are also known as cnidaria
they are diploblastic i.e. with two germ layer ectoderm and endodermal.
they are having tentacles for catching prey
they are found in groups or they are single
ex.corals and hydra
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Answer 2

Coelenterata u mean These organisms are diploblastic and acoelomate having tissue level of organisation. They live in water and have tentacles for locomotion. They have central cavity called coelenteron or gastrovascular cavity. Radial symmetry. Polymorphism occurs which is the specialisation of individuals of colonial species for division of labour. Some species are colonial like corals others have solitary life span like hydra. Asexual mode of reproduction by budding and sexual reproduction by gametes formed by Medusa's. Respiratory, circulatory, excretory system are absent