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
sea urchins eat kelp.
there are excatly 3million purple sea urchins
Sea urchins belong to the phylum Echinodermata.
No. Sea urchins are primary consumers and only eat sea weed, algae and kelp.
in the sea