they have no backbone because they are invertebrates and therefore they have no vertebrae being the backbone
No, they are invertebrates (Echinoderms). Echinoderms have no backbones, like the Brittle Star and Sea Urchin.
No.
Sea animals with backbones include fish, sharks, whales, dolphins, and sea turtles. These animals are known as vertebrates because they have a backbone or spinal column.
A sea star is called a sea star simply because of where it lives (the sea) and what it looks like (a star), simple!
No. Vertebrates are animals with backbones. Sponges are about the simplest multicelluar organisms around.
Yes. A vertabrate is anything with a backbone, and turtles have backbones.
A ordate is an animal with a backbone. Since leafy sea dragons are a type of fish, and fish have backbones, they are chordates.
no, a sea star is a vertebrate!
the sunflower sea star
the answer is star of the sea!! the answer is star of the sea!!
they are all animals without backbones
There are over 6000 types of echinoderms. A few examples are the banded-arm brittle star, common sea urchin, cushion sea star, etc. I you were looking for types of echinoderms, they areSea star or starfish (Asteroidea)Brittle stars, basket stars, serpent stars (Ophiuroidea)Sea urchins, heart urchins and sand dollars (Echinoidea)Holothurians or sea cucumbers (Holothuroidea)Feather stars and sea lilies (Crinoidea).