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Echinoderms

In the tide pool 

Sea Stars 

Starfish Parts 

See also: Invertebrates, Marine Life

For Kids

What is a sea urchin? 

Virtual Urchins (food chain, flash) 

Urchin anatomy (flash)

Why study sea urchins? 

Starfish are not fish, they're animals!

The starfish story 

For Teachers

Sea Urchins for Teachers (275 pages, zip file) 

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