they have a lot more than 2
No. Sea urchins live in the sea.
sea urchins live in all oceans. :-)
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
Seastars, sea urchins, and sea cucumbers are all members of the phylum Echinodermata. Other members of this phylum include: sand dollars, brittle stars, basket stars, feather stars, sea lilies, and heart urchins.
Sea urchins live in the sea, rock pools, kelp forests, and coral reefs
The classification of a Sea Urchin is Echinoidea
sea urchins eat kelp.
there are excatly 3million purple sea urchins
crabs sun flower starthe crabs are as big as a rockthey are stars
in the sea