The findings suggest that their famous lateral movement evolved just once. It may have helped the animals rapidly spread and diversify because moving in two directions meant they could easily escape predators
Scientists Just Solved the Mystery of Why Crabs Walk Sideways
螃蟹著名的侧向行走可能要归功于 2 亿年前发生的一次进化事件。研究人员发现了有关螃蟹如何进化其著名的侧向运动的新证据，表明这种不寻常的行走方式首次出现于大约 2 亿年前。该研究结果以经过审查的预印本形式发表在 eLife 上，基于 [...]
