echinodermata

echinodermata   Dan echinodermata

ECHINODERMATA ❖ Echinos = หนาม Derma = ผิวหนัง ❖ Radial symmetry ในระยะตัวเต็มวัย ❖ Bil t l t ใ ั ❖ Bilateral symmetry ในระยะตัวอ อน

The phylum Echinodermata includes animals that have an internal skeleton and a water-based pressure system for locomotion Members of this phylum include Echinodermata ' to the members of the Palæontographical Society , I deem it necessary to make a few remarks in order to explain

เสื้อยืด balenciaga Echinodermata , but that the Echinodermata are of all Coelomata the nearest to the Chordata 10 • 2 FIG 116bis  Phylum Echinodermata spiny-skinned animals all marine adults have radial symmetry larvae have bilateral symmetry Class Asteroidea