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  • Evolution of paired fins
    )
    with walking legs, and core aspects of the genetic blueprint of the pectoral fin have been retained. The first mammals appeared during the Permian period...
    89 KB (7,622 words) - 11:43, 18 April 2024
  • Evolution of the hippocampus)
    of the brain of humans and other vertebrates. Humans and other mammals have two hippocampi, one in each side of the brain. The hippocampus is part of...
    127 KB (14,840 words) - 15:17, 6 April 2024
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