Pedicellariae protect sea urchins by snapping open if something touches its outer surface. If it is touched on its inner surface then it snaps shut. They can be toxic because some have poison glands inside of them. They are attached to the stalks at the base of the spines that cover the sea urchin.
Pedicellariae of a starfish help to keep its surface clean by removing debris, parasites, and algae. This cleaning function is crucial for maintaining the health of the starfish and preventing infections or blockages on its skin.
It's meant to keep the surface of the starfish's skin clean of parasites since sometimes, the little spines are poisonous and can also kill them rather than just deflecting them
The dermal branchia is an extension of the body cavity through with oxygen consumption occurs--(gas exchange) The pedicellariae are picher or jawlike structures that clean debris off of seastar.
Yes, If another fish was to eat the star fish whilst underwater then the star fish would die.
star fish are food
what is names of star fish
I only know of Marine Star fish.
Acanthaster planci
star fish feel with there tube feet.
one of them is a star
a "star"fish. Ha a "star"fish. Ha A Florida "Marlin" Ballplayer Jim "Catfish"Hunter
some star fish live in salt water