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Sinossi

Readers will learn just how amazing sea urchins can be. The many species of this ocean invertebrate may not look like other undersea animals, but they have some amazing adaptations and behaviors that help them survive. Without faces, limbs, bones, blood, or a brain, sea urchins have incredible ways eating, moving, reproducing, and defending themselves.

Durata: 8 minuti (00:08:10)
Data di pubblicazione: 10/08/2017; Unabridged; Copyright Year: — Copyright Statment: —

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