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they have sex and they live in vthe ocean
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∙ 10y 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 the groups of echinoderms?
Sea stars, brittle stars, sea urchins, and sea cucumbers.
Is sea urchins and sea stars the same thing?
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Where do sea stars and sea urchins belong?
Echinoderms.
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.
What else is like Starfishes sea urchins and sea cucumbers?
Seastars, sea urchins, and sea cucumbers are all members of the phylum Echinodermata. Other members of this phylum include: sand dollars, brittle stars, basket stars, feather stars, sea lilies, and heart urchins.
What phylum contains sea stars?
Includes: Sea Stars, Sea Lillies, Sea Urchins, Sea Cucumbers, Brittle Stars
Are sea urchins and sea stars cousin?
Yes they are. They are both echinoderms
What are the enchinoterms?
it's echinoderms,they are sea urchins,sea cucumbers,sea stars, and brittle stars. Echinoderms are a kind of invertebrate.
What is an example of an ecinoderm?
Starfish, sea urchins, brittle stars, sea lilies
What is the common namre of echinodermata?
sea stars, sea urchins, sand dollars, and sea cucumbers.
What do green sea urchins eat?
Green Sea Urchins eat plankton, algae, small fish, mussels, sponges, and brittle stars.
