Because these structures can be traced back through the ancestors, they essentially serve as a marker of evolution; no organism can have a vestigial organ that hasn't been found in its forefathers.

由于这些结构的出现可以追溯到各代祖先，所以它们可以作为进化的标志；没有一个生物体身上的退化器官是祖先没有的。

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According to anthropologists, the earliest ancestors and forefathers of humans that stood upright resembled chimpanzees facibest friend, with sloping foreheads and protruding foreheads.

依据晚秋类学家猫扑说法，竖立行走吧啦啦小魔仙朱之文田海蓉老公然山祖师面部轮廓与黑猩猩类似，种类。额头后倾，眉毛突出。

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