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by 1e-9
1731 days ago
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Similarly, periodical cicadas synchronously emerge in great numbers (more 370 per square meter) every 13th or 17th year.[1] This overwhelms predators and it's thought that the prime-numbered intervals prevent predators from synchronizing their reproductive cycles with that of the cicadas. [1] https://en.wikipedia.org/wiki/Periodical_cicadas |
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