Sea Star.

The sea star is an invertebrate animal and it don't need a nervous system. The eat with the help of his arms,most of the 1.500 species of sea stars have just 5 arms but there are some tht have From 7 to 20 arms!!! And all of them have a strong superfise to protect the selves fom predators. When a 1 of the sea star arm broke,the pice of arm grows an other sea star grows and the arm from the original sea Star grows again!!!. Some of the sea sea stars live under the sand, the sea stars live around 8 years and depending of them age it change the texture of the skin of the sea star.