Sea cucumber
From Wikipedia, the free encyclopedia
| Sea Cucumbers | |||||||
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| A Sea Cucumber | |||||||
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Sea cucumbers are one of the classes of echinoderms. The name of the class is Holothuroidea. Sea cucumbers have a longish body, and leathery skin. Sea cucumbers live on the floor of the ocean. Most sea cucumbers are scavengers. There are about 1200 species of sea cucumbers. Some people like to eat sea cucumbers. Sea Cucumbers have a unique respiratory system. They have respiratory trees that branch out of the cloaca.
