What is Sea Urchins?

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  • What is Sea Urchins?


Sea urchins are members of the phylum Echinodermata, which also includes sea stars, sea cucumbers, brittle stars, and crinoids. Like other echinoderms ...
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See photos of sea urchins (including fire urchins, pencil-spined urchins, and more) in this oceans life photo gallery from National Geographic.
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Definition of sea urchin in the Dictionary. Meaning of sea urchin. What does sea urchin mean? Proper usage and pronunciation (in phonetic ...
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The purple sea urchin lives in kelp forests, and has spikes for mobilization and protection from predators. They need protection from predators: ...
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Sea urchin is a marine animal. It appears in a spherical shape with long movable spines all over his body. It is more or like a hedgehog. Often, a sea ...
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BBC News about Sea urchins. Sea urchin 'trick' captures CO2 The natural ability of sea urchins to absorb CO2 could be a model for an effective carbon ...
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