Echinoderm literally means "spiny skin." Echinoderms are invertebrates that are generally found in the ocean. They have exoskeletons and spines or needle-like protrusions all over them. Common echinoderms are: Starfish, sea urchins and sand dollars.
The number of protons.
The scientific name for Echinoderms is Echinodermata.
Echinoderms are in the Animalia kingdom.
Echinoderms belong to the phylum Echinodermata.
Yes Eventually echinoderms do live in water.
As of yet, there is no known species of parasitic echinoderms.
Echinodermates possess a water vascular system.
No not all Echinoderms have backbones like the starfish
Echinoderms are born as zooplankton. There is no parental care.
Echinoderms live only in the sea.
Echinoderms are marine animals, which means they reside in the ocean. Echinoderms are found from the intertidal zone to the abyssal zone.
I believe Echinoderms evolved first.