By using tube feet on it's underside
A sea urchins "prey" is primarily algae but they will consume other organisms including small animals which some urchins capture and immobilize with pedicellariae (kind of like suction feet).
No, tube feet are a characteristic feature of echinoderms, such as sea stars and sea urchins. Protists do not possess tube feet.
crabs sun flower starthe crabs are as big as a rockthey are stars
No. Sea urchins live in the sea.
Sea urchins!
More sea urchins.
Sea urchins move by using tube feet on it's underside that work with the spines to help it move
The classification of a Sea Urchin is Echinoidea
there are excatly 3million purple sea urchins
sea urchins eat kelp.
Sea urchins are found in oceans all around the world, typically in shallow waters along rocky shores. They can also be found in coral reefs and seagrass beds. Some species of sea urchins can live in depths of up to 16,000 feet (4,800 meters).