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The nervous system of an echinoderm lacks what?
The nervous system of the echinoderm lacks a cat and a zebra leg, with the fur from a fish, the echinoderm (ee-chee-no-derm) transacts this with its ability to eat rocks, forming a poylp. This makes the echinoderm smart enough to live.
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 is the liquid that fills an echinoderm's vascular system?
Water
What is a network of water-filled canals in an echinoderm?
water vascular system
What echinoderm can expel its digestive system in an attempt to escape from predators?
sea cucumber
What are four purposes of an echinoderm's water vascular system?
respiration, circulation, movement, and feeding
What characteristics do echinoderm's have?
Echinoderms are invertebrates with an internal skeleton and a system of fluid-filled tubes called water vascular system.
Can you use the word echinoderm in a sentence?
A starfish is an echinoderm.
How an echinoderm ciculates oxegyn?
echinoderms circulate oxygen using a unique system. Rather than having blood, they circulate water that they use for exchanging carbon dioxide for oxygen. It is comprised of a central ring in the main body, and then tubes that radiate out into the appendages. You can learn more about this system, called the ambulacral system, by going to the related link.
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.
