Most likely 5
A sea star, or starfish, has five main body sections, typically arranged in a radial symmetry around a central disc. Some species can have more than five arms, but the classic star shape features five distinct sections. Each arm contains various structures for movement and feeding.
A starfish has radial symmetry
Two
3
starfish have bumps and spines on their body
starfish are able to have any number of legs over 3, up to any that can fit around their body.
No, echinoderms are the sea urchin and starfish family, lobsters are crustaceans.
a starfish is missing a few body parts like fins and tails
The body cavity in a starfish contains the circulatory system and the haemal system. The body cavity also helps starfish by distributing oxygen that has been distributed throughout the body, through the body.
An arachnid has 2 body sections and 8 legs. An example is a spider or scorpion.
a millipedes structure is it has two body sections, and many pairs of legs as in alot the two body sections consist of a head with one pair of anntenae and a long abdomen with many segments.
Since the starfish is a cold-blooded animal, its body temperature is the same temperature as the surrounding water it lives in. Each starfish's temperature varies.