Three distinctive characteristics of Phylum Echinodermata. | web4study

Three distinctive characteristics of Phylum Echinodermata.



 

Phylum Echinodermata:

(i) Echinoderms have rough spiny skin and found only in the sea.

(ii) They are pentamerous and have a unique water vascular system which pumps the external water throughout
their bodies.

(iii) They have tube feet which enable them to glide over rocks in the water.

(iv) They do not have the head yes or even brain.

Examples: Starfish, See cucumber.

 


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