yes i think so . The real answer: yes but only some types are piosonous.
they can be, but the ancient Greeks and Romans used to eat them as a delicacy.
yes but it cannot kill you
MABY
not all are poisonous but some are.
There are several poisonous animals that are found in the marine biome. These include jelly fish, sea urchins, and sea anemones.
Uhh...they're spikes???????????? They might be poisonous to other sea creatures but I'm not sure...
Answer It [a sea urchin's sting] IS poisonous. If a sea urchin stings you, you might have [or do] the following: 1) Muscle spasms. 2) Difficulties in breathing. 3) Death 4) Faint So, you better watch out for sea urchins.
No. Sea urchins live in the sea.
More sea urchins.
The classification of a Sea Urchin is Echinoidea
there are excatly 3million purple sea urchins
sea urchins eat kelp.
Sea urchins belong to the phylum Echinodermata.
No. Sea urchins are primary consumers and only eat sea weed, algae and kelp.
Sea anemones, cucumbers & urchins, stinging/fire corals, crown-of-thorns starfish, hydroids/fireweed, box jellyfish, and irukandjis...just to name a few.