Crabs are invertebrates, animals without a backbone. As crustaceans, they have exoskeletons which are molted as they grow.
Starfish are not in a vertebrate group because they do not have vertebrae.
Vertebrae are divided into sections: the atlas and axis account for the first cervical vertebrae, of which there are 7 in total; there are 12 thoracic vertebrae, 7 lumbar vertebrae, 1 sacrum (5 separate vertebrae in a baby), and 1 coccyx (4 separate vertebrae in a baby).
there are cusion starfish, reef starfish, spiny starfish and fire brick starfish in new zealand.
It is called toilet water.
the thoracic spine is above the lumbar spine which means ALL thoracic vertebrae are superior to the lumbar vertebrae.
Vertebrates have vertebrae .
cervical vertebrae thoracic vertebrae. lumbar vertebrae
The five types of vertebra are the:cervical vertebrae (neck)thoracic vertebrae (chest)lumbar vertebrae (back)sacral (pelvis)coccyx (tailbone)
Vertebrae.
Yes they can
Sure, starfish larvae are planktonic. Adult starfish are not.
Starfish Ancestors