A sea star protects itself by using the sharp spines on its back to attack its predator. :-B
a sea star moves by pretty much walking
its shell
A star fish protects its self by these things they have called shape spines
not sure
what eats a sea star and how does it protect itself
by the fat ourter layer of the animals skin
the sea urchin has many adaptions like its spikes to protect it self from predators.
Yes, sea stars are able to move the spines in order to protect themselves as armor.
Well, everything has to protect its self. Turtles do it to. They have a shell for that because turtles ALWAYS get eaten. Only some are lucky
A sea star is called a sea star simply because of where it lives (the sea) and what it looks like (a star), simple!
they protect their self from camaflage
they use their tronk to protect their self