The largest species of echinoderm in terms of bulk is the sea star
Echinoderms are not like any one animal. Echinoderms are invertebrates (no backbone), and are all animals with spiny skin (echin-spine, derm-skin). Some examples are starfish, sea urchins, and sea cucumbers.
They have spiny skin and the name comes from Greek word 'echinoderm' which means 'spiny skin'
Echinoderms
Echinoderms
Echinoderm means spiny skin in Latin.
echinoderms which means (spiny skin)
They got the name from the Greek "spiny-skinned"
Star fishes, brittle stars and sea urchins are echinoderms. The term echinoderm translates to 'spiny skin'
A spiny skinned invertebrate is called a sand dollar. That is because they are are echinoderms (a type of invertebrate),
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 Spiny skin sea-animals also known as Echinoderms consist of about 6000 species. They are commonly grouped together as starfish and sea urchins.
they have no backbone this is true to all invertebrates