Yes it is.
no it is an echinoderm
Echinoderm
Yes it is.
sea urchin
sea urchin
Sea urchinSea urchin
No. The sea cucumber is, in fact, an echinoderm like the sea urchin.
Sea urchin is a member of Echinoderm family
star fish ,sea urchin sea ,sea cucumber .
Four examples of echinoderm animals are: 1. Sea Stars 2. Sea Urchins 3. Sand Dollars 4. Sea Lilies
The echinoderm with an endoskeleton made of a single crystal of calcium carbonate is a sea urchin. This endoskeleton is made up of many plates that fit together, forming a rigid structure that surrounds the sea urchin's soft tissues and protects it from predators.
A echinoderm can obtain resources because if you think about it, The sea urchin etc. they all filter feed that is how they get their food.