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I don't know exactly, but a sea urchin is an animal that look like a blob of spikes on the sea floor. Moves very slowly. Coral is made from many tiny animals called polyps, which don't move at all in their adult life. More and more polyps grow over top one another which is pretty interesting. Over time it builds up into a structure, where only polyps on the surface are living. It is made of a type of stone I think. Correct me if I'm mistaken
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∙ 9y ago
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What is the difference between a sea urchin and a sea anemone?
what is a hydra
What is the difference between coral and sea fans?
The difference between coral and sea fans are Coral forms a barrier between a lagoon and the open sea. Sea fans adorn the landscape.
Do sea urchins live in the coral reef?
The sea urchin live in the coral reef :p
What do sea urchin capsules cement together to form?
Coral
What is living in the coral reef?
sea shell, sea urchin, small fish and others small sea spices
What coral reef animal uses camouflage?
sea urchin This answer is incorrect. The correct answer is a cuttlefish.
What is the difference between coral reefs and deep sea?
How should I know
What is the difference between deep sea and reef building coral?
How should I know
What is the difference between a coral colony and a coral animal?
Are called "sea anemones" every coral of the order Actiniaria.
What does sea urchin eat?
small fish,sea weed , planton,brittle stars.
What does the starfish do in the winter time?
A starfish is a omivore so it eats fish ,oysters, sea urchin, aglae, clams and coral
Which of these animals might use a coral reef for hiding and protection?
starfish,brittlestar,or a sea urchin(Echinoderms).
