Sea Urchins

There are over 900 sea urchin species and they can be found in almost all parts of any ocean. They are often characterized by protruding spines from their test.

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Sea Urchins

What are Black Sea urchins?

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Sea Urchins

Does humans kill sea urchins?

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Invertebrates

Sea Urchins

Why are Black Sea urchins at threat?

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Otters

Forests

Marine

Sea Urchins

Wherer do sea urchins live in a kelp forest?

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Invertebrates

Sea Urchins

How do Black Sea urchins breed?

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Invertebrates

Sea Urchins

Do sea urchins have a nose?

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Sea Urchins

Is the Black Sea urchin being threatened?

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Invertebrates

Sea Urchins

What happens to a sea urchins spine when they die?

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Sea Urchins

Do sea urchine eat decaying things?

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Oceans and Seas

Sea Urchins

Is a sea urchins mouth flexible?

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Endangered, Vulnerable, and Threatened Species

Sea Urchins

How many sea urchins are left in the world?

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Invertebrates

Whales

Otters

Sea Urchins

Are Sea Urchin's Poisonous?

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Sea Urchins

How does sea urchin protect itself from pounding waves?

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Gorillas

Sea Urchins

Are the sea urchins born alive or eggs?

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Saltwater Fish

Starfish

Sea Urchins

What is some information about star fish and sea urchins?

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Invertebrates

Sea Urchins

Are purple swirles and purple sea urchins the same thing?

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Sea Urchins

What is the name of the shell or skeleton of a sea urchin?

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Sea Urchins

Are purple sea urchins poisonous?

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Sea Urchins

Factors involved in successful induced spawning in sea urchins?

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Animal Health

Invertebrates

Sea Urchins

Do sea urchins eat phytoplankton?

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Corals and Coral Reefs

Sea Urchins

Does sea urchins eat coral reefs?

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Sea Urchins

How do humans affect sea urchins?

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Invertebrates

Sea Urchins

What are sea urchins shelter?

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Invertebrates

Sea Urchins

Can sea urchins see?

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Sea Urchins

What are two ways spines a useful adaptation for sea urchins?

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Unanswered Questions

Are any sea urchins decomposers?

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How many babies can they have sea urchins?

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Do sea urchins have an endoskeleton?

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What is a Black Sea urchins predotor?

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