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There is about 1800 but maybe even more to be discovered :)
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∙ 14y ago
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How many types of sea urchins?
Sea star or starfish (Asteroidea)Brittle stars, basket stars, serpent stars (Ophiuroidea)Sea urchins, heart urchins and sanddollars (Echinoidea)Holothurians or sea cucumbers (Holothuroidea)Feather stars and sea lilies (Crinoidea).
What are 2 sub types of sea stars?
echinoderms
What is the type of asexual reproduction in the sea star?
Sea stars are capable of both types of reproduction.
Are there any other types of echinoderms other than sea urchins and sea stars?
Yes, there are also sea cucumbers and crinoids.
What are the four major groups of echinoderms?
There are actually four major classes of echinoderms. These are Crinoidea, Asteroidea, Ophiuroidea, Eichionidea, Holothuroidea, and Concentricyloidea. The animals in these range from sea lilies to sea urchins.
How many fish's are there in the sea?
As many stars are there in the sky.
What eats coral and algae?
Many things may eat coral and algae, certain types of snails, hermit crabs, blennies, and sea stars will eat different types of algae and detritus
How many types of sea ice?
There are many types of sea ice - too many to list here. A good article on these is in wikipedia.
What does sea stars feed on?
Sea stars are prey of sea turtles, basking sharks, sun fish, and many other sea animals.
What phylum contains sea stars?
Includes: Sea Stars, Sea Lillies, Sea Urchins, Sea Cucumbers, Brittle Stars
How many tissue layers do sea stars have?
3
What are examples of echinoderms?
There are over 6000 types of echinoderms. A few examples are the banded-arm brittle star, common sea urchin, cushion sea star, etc. I you were looking for types of echinoderms, they areSea star or starfish (Asteroidea)Brittle stars, basket stars, serpent stars (Ophiuroidea)Sea urchins, heart urchins and sand dollars (Echinoidea)Holothurians or sea cucumbers (Holothuroidea)Feather stars and sea lilies (Crinoidea).
