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Scientists have discovered a group of three closely related flowers that seem to break the laws of genetics. These mountain beardtongues are pollinated by either bees or butterflies, but not both, and that's the key to an incredibly weird quirk of natural selection.
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Sources:
https://theconversation.com/the-mystery-of-the-blue-flower-natures-rare-colour-owes-its-existence-to-bee-vision-153646
https://education.nationalgeographic.org/resource/speciation/
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