200 types
Sea Urchins have spikes are soft and chalk like , or they can be , hard and covered by a shell-like structure . There are more than 200 types of Sea Urchins , there are many different sizes and shapes of Sea Urchins species.
there are excatly 3million purple sea urchins
Many many types of sea animals are blind; the list includes sea anemones, corals, jellyfish, starfish, urchins, sea cucumbers, sea lillies, sponges, tunicates, and many many more.
there are none because sea urchins live in water and not on land unless they are dead
Sea urchins are purple, red, orange, yellow/orange, and a mix of red and purple.(Sea Urchins come in many shapes sizes and colors.)
No. Sea urchins live in the sea.
Yes, there are also sea cucumbers and crinoids.
More sea urchins.
Well there are a couple of types like the sea turtle, they eat kelp. So do sea urchins.
Sea urchins come in a variety of colors including purple, red, green, black, and white. Each species of sea urchin can have its unique color patterns.
The classification of a Sea Urchin is Echinoidea