PhysOrg Posted June 18, 2021 Share Posted June 18, 2021 Charles Darwin was a careful scientist. In the middle of the 19th century, while he was collecting evidence for his theory that species evolve by natural selection, he noticed it didn't explain the fancy tails of male peacocks, the antlers paraded by male deer, or why some the males of some species are far larger then their female counterparts.View the full article Quote Link to comment Share on other sites More sharing options...
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