Sea Star Stomach Diagram. It is the slide of ts. Starfish sea star are invertebrate animals that live in the sea.
These digestive glands secrete enzymes and absorb required vitamins from food. They feed on bivalves clams by pulling apart the shell and lowering their stomach into the mollusk releasing enzymes and digesting the mollusk then absorbing the digested material into the body of the starfish where digestive glands in each arm continue the process of food breakdown. Pycnopodia helianthoides the largest of the sea stars is radially symmetrical.
Starfish sea star are invertebrate animals that live in the sea.
They both have a mouth stomach intestine and anus. See the diagram below. Suspension feeding starfish use their tube feet to pass food to the mouth. Using this tiny gap the sea star puts its stomach into the clams shell and eats its insides.