- Why is Sahelanthropus tchadensis important in understanding evolution? What evidence is missing that is
required to identify the species as a true hominin? - What does the new discovery of the Denisovan hominins add to our understanding of the emergence of
Homo sapiens? - How has our understanding of the relationship between Neandertals and humans changed over time?
- List and explain the key traits that are characteristic of the order Primates