What anatomical feature does at least one of the Klasies River Mouth fossils possess that premodern humans lack:

Question

Quizplus · Accepted Answer

The Klasies River Mouth fossils, which are attributed to early Homo sapiens, possess a chin (a feature known as a mental protuberance), which is not found in premodern humans such as Neanderthals or Homo erectus. The presence of a chin is considered a distinctive characteristic of anatomically modern humans.

What Anatomical Feature Does at Least One of the Klasies