lack anal teeth are outfitted with tools to defend themselves

2 years ago
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But even sea cucumbers that lack anal teeth are outfitted with tools to defend themselves.They evade threats and launch counter-attacks using their mutable collagenous tissue, or MCT.This gel-like tissue contains bundles of collagen, called ibrils.Proteins can interact with these fibrils to slide them together,stiffening the tissue, or apart, softening it.

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