More sea urchins.
No, they lay eggs.
Oysters. Actually, clams and certain other molluscs can also produce pearls, but it's only oyster pearls that are of gem quality.
No. Sea urchins live in the sea.
sea urchins can either reproduce sexually or asexually sea urchins can either reproduce sexually or asexually
The classification of a Sea Urchin is Echinoidea
Five ocean animals that can produce sexually are Cnidarians, sea cucumbers, jellyfish, sea anemone and sea urchins.
there are excatly 3million purple sea urchins
sea urchins eat kelp.
in the sea
No. Sea urchins are primary consumers and only eat sea weed, algae and kelp.
Yes, sea urchins are herbivores because they mainly feed on algae.