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yes it does but it is located internally instead of externally like most echinoderms
in th see
The madreporite on a sea star acts like a pressure equalizing valve and is used to filter water. It is located on the surface of the central disk. It is a small yellow or red, button-like structure, looking like a small wart.
Sea cucumbers are animals. They look like cucumbers XD
No. Sea cucumbers are part of the Echindermata phylum along with sea stars and sea urchins.
No; sea cucumbers are animals and transparent sea cucumbers are plants.
There are 1,250 known species of sea cucumbers
Sea Cucumbers, in fact, do not have feet.
because sea cucumbers are stupied
Sea cucumbers in general are found on the sea bed of all oceans. Individual types of sea cucumbers may only be found in some areas.
Sea cucumbers can be seen at marine aquriums and places such as Sea World.
the ones that like eating sea cucumbers