1-3 ┊ 800 words ┊ ◄))
1-3, 800 words, 8 minutes audio time.
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 of eating, moving, reproducing, and defending themselves.
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