A pluteus.
The outer part
A Group Of Starfish Is Called A Tird.
A starfish is an echinoderm.
Echinoderm is an invertebrate and therfore it has no backbone
Yes sand dollar is an echinoderm.
No. A spider is an arachnid. A starfish is an example of an echinoderm.
an echinoderm is an organism with no spine
The tube foot
The tube foot
Star fish is not a fish because it is an ''echinoderm''. It is an ''echinoderm'' because its body is divided into five parts and it has a spiny outer covering. It only is called a star''fish'' because it lives in water.
Coral is nor arthropod , sponge or echinoderm , A coral is a cnidarian also called a coelenterate because it possess cnidocytes , stinging cells , gastrovascular cavity ,tentacles which are cnidarian charters .
A bird is NOT an echinoderm because they dont live in salt water