Some starfish can shed an arm and grow a new one later if a predator has caught an arm in its mouth.Some, but very few,can grow an entire body from a single ray.
Adaptations.
No, the minerals that help make up the starfish will contaminate the water and through off your chemical balance.
no
Those features are called adaptations. Adaptations are traits or behaviors that help an organism survive and reproduce in its environment.
hump and padded feet
They don't produce anything special.
Yes, certain species of starfish can live in the Arctic. They have adapted to the cold temperatures and are able to survive in the frigid waters of the Arctic Ocean. These starfish have unique adaptations that help them thrive in this harsh environment.
external body features help organisms survive by providing protection from other animals, and for a sort of armor material, as well as a possible mating insignia
A Macaw has a special body part?
claws, teeth
They pretend to be rocks.
yes