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What are specialized cells that tell the echinoderm if it is upside down or not?
statocysts
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Gas exchange in an echinoderm takes place through?
Some Echinoderm starfish use the bumps and spines on their surface for respiration, and others use special thin areas of epidermis on the skin, called dermal gills or papulae, to exchange gases. Although, most Echinoderm sea stars generally lack proper respiratory systems and many only have rudimentary circulatory systems. The water vascular system is also really important in gas exchange.
What is the outer covering like for a echinoderm?
The skeleton is on the outside of a sea star they on the type of echinoderm. In Sea Stars and brittle stars the skeleton is small ossicles that move together creating flexible joints.
The sievelike disc-shaped opening in an echinoderm's body through which water enters and leaves is called what?
The sievelike disc-shaped opening in an echinoderm's body through which water enters and leaves is called the madreporite. It is the entrance to the water vascular system, which helps in functions like respiration and movement.
What does echinoderm mean in Greek?
Echinoderm is from the Greek word εχινόδερμα(echinoderma), meaning "five arms".
Can you use the word echinoderm in a sentence?
A starfish is an echinoderm.
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.
What is the difference between human spine and a echinoderm?
an echinoderm is an organism with no spine
Is a bird an echinoderm?
A bird is NOT an echinoderm because they dont live in salt water
Why is echinoderm a good name for starfish?
Because echinoderm means "spiny skin."
Are starfish echinoderm?
Yes , a starfish is an echinoderm . It belongs to class Asteroidea . It is marine .
Is coral a echinoderm?
No
Is coral an echinoderm?
No
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.
