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Identify and describe the unique system an echinoderm has what is it used for?
The name echinoderm means "spiny skin." Echinoderms have spines of various lengths that cover the outside of their bodies. Most echinoderms are supported and protected by an internal skeleton made up of bonelike plates. Echinoderms have a simple nervous system but don't have heads or brains.
What are echinoderm bodies covered in?
The Echinoderm's body is covered in spikes/spines.Some spines/spikes are long, and some are short.
What is a echinoderm's body consist of?
Sea star (starfish), sea cucumber
How does an echinoderm's body symmetry change with age?
fat stores up
Is a starfish a molluscs?
No. A starfish is an echinoderm. It is considered an echinoderm for it's spiny/rugged skin around it's body. Just as well as sea urchins, and sand dollars too.
How is a crabs body supported?
By its' legs.
Can you use the word echinoderm in a sentence?
A starfish is an echinoderm.
A large protected body of water?
A large protected body of water
Starfish is not a fish.Why?
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.
Does a echinoderm have a back bone?
Echinoderm is an invertebrate and therfore it has no backbone
Is a sand dollar a echinoderm?
Yes sand dollar is an echinoderm.
Is a spider an echinoderm?
No. A spider is an arachnid. A starfish is an example of an echinoderm.
