Holothuroidea is a class of echinoderms including the sea cucumbers.
Echinoderms are in the Animalia kingdom.
echinoderms
Echinoderm means "Spiny-Skinned" in Greek. For more information, look at "What does echinoderms mean in greek?"
As of yet, there is no known species of parasitic echinoderms.
The scientific name for Echinoderms is Echinodermata.
Yes Eventually echinoderms do live in water.
Echinodermates possess a water vascular system.
Echinoderms are born as zooplankton. There is no parental care.
Echinoderms live only in the sea.
yes crabs are echinoderms because they have spiny skin
No not all Echinoderms have backbones like the starfish