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Sea urchins get their food at the bottom of the sea floor to eat dead fish.
Here are some sentences.Sea urchins have spines.Have you ever seen a sea urchin?
Some animals include;Urchins
No. Sea urchins live in the sea.
oil pollution effects on sea otters
Starfish and Sea Urchins
not all are poisonous but some are.
More sea urchins.
sea urchins can either reproduce sexually or asexually sea urchins can either reproduce sexually or asexually
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).
The classification of a Sea Urchin is Echinoidea
Otters and some kind of fish.