Characteristics of Phylum Echinodermata

 

1. i) These are called Echinodermata because their body is covered with spines and sprnes.

 

1. ii) These animals are unique.

 

iii) All animals of this phylum are exclusively marine.

 

1. iv) All animals have internal skeleton.

 

1. v) They also have a water vascular system.

 

1. vi) They have gills to respire.

 

vii) Their common examples are sea star, brittle star, sea urchin etc.

 

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