Micro and macroalgae ranging from the common micro green or brown slime algae to the macro gracilea.
Water.
Sea urchins are very important to their habitat because they help maintain the amount of algae in the ocean.
coral,sea urchins, seagrass,plankton, algae,
No. Sea urchins live in the sea.
lichen and other sea plants
More sea urchins.
The classification of a Sea Urchin is Echinoidea
there are excatly 3million purple sea urchins
sea urchins eat kelp.
Sea Urchins only eat see grass and algae. I hope that helps!
they also eat crabSea otters eat clams, snails, abalone, crabs, starfish, mussels, scallops, squid, chitons, small octopuses, sea urchins, prawns, sea cucumbers, limpets, marine worms, and fish. The diet of the sea otter varies, of course, with its regional habitat.
No, They are bilaterally symmetrical. Radially symmetrical animals include echinoderms (starfish, sea stars, sea urchins) and many plants.