0
They don't. They are invertebrates that live on the ocean floor. They have tube feet that they use to shuffle along the sea floor. Sea urchins are echinoderms, but they don't have tube feet. They walk on their spines.
Wiki User
∙ 12y ago
Wiki User
∙ 15y agoThey obtain food and oxygen by extending their tube feet (water vascular system). They obtain food and oxygen by extending their tube feet (water vascular system).
Wiki User
∙ 11y agoIt's like when we breathe in air but they live under water and we live out of water.
Wiki User
∙ 12y agoI bet you want to know an Echinoderm breathes.......... well im not going to tell you maybe you should do it your-self and not use the computer for your answers you losers
Wiki User
∙ 9y agoSeahorses breathe underwater by using their gills. They are similar to any other kind of marine animal that lives under water.
Wiki User
∙ 13y agoyes, because they live in water not on land
Wiki User
∙ 16y agoyes they do
Wiki User
∙ 12y agoLung
Add your answer:
Earn +20 pts
Do bottom-dwelling fish have swim bladders?
I think there are some extremely deep water fish species from the oceans trenches that may not have a swim bladder.
What kingdom are echinoderms in?
Echinoderms are in the Animalia kingdom.
Ecological relationship of echinoderms to other organisms?
echinoderms
Echinoderms are parasitic or not?
As of yet, there is no known species of parasitic echinoderms.
What is the scientific name for Echinoderms?
The scientific name for Echinoderms is Echinodermata.
Do echinoderms live in salt water?
Yes Eventually echinoderms do live in water.
Which group of invertebrates have a water vascular system and tube feet?
Echinodermates possess a water vascular system.
How do echinoderms raise their young?
Echinoderms are born as zooplankton. There is no parental care.
In what environment do all echinoderms live?
Echinoderms live only in the sea.
Are crabs echinoderms?
yes crabs are echinoderms because they have spiny skin
Do Echinoderms have backbone?
No not all Echinoderms have backbones like the starfish
What phylum do echinoderms belong to?
Echinoderms belong to the phylum Echinodermata.
