Question

echinodermata groups

Answer 1

Echinoderm is the common name given to any member of the phylum Echinodermata of marine animals.

Ex : Sea star.

:)

Answer 2

Echinoderm is the common name given to any member of the phylum The first echinoderms later gave rise to free-moving groups.
The five living echinoderm classes:
Asteroidea (sea stars or starfish)
Ophiuroidea (brittle stars)
Holothuroidea (sea cucumbers)
Echinoidea (sea urchins)
Crinoidea (sea lilies or feather stars)