Complex animals appeared on Earth even longer ago than thought, according to a more than 500mn-year-old fossil trove uncovered in south-west China that shows the power of symmetry in evolution.
一处在manbetx3.0 西南发现、距今逾5亿年的化石宝库显示，对称性在演化中的强大作用；据此，复杂动物在地球上出现的时间比人们原先认为的要更早。
您已阅读5%（258字），剩余95%（4695字）包含更多重要信息，订阅以继续探索完整内容，并享受更多专属服务。