Answer the following questions relating to Homo erectus.

1			Describe how the sites of Zhoukoudian and Trinil were discovered, making reference to key figures in their discoveries.
2			Explain why Acheulean handaxes were technologically more advanced than Oldowan tools, including information about how they were used.
3			Identify the key physical features of Homo erectus.
4			Compare and contrast the environments in Africa, Europe, and Asia, both before and during the Pleistocene.
5			Explain how paleoanthropologists determined the diets of Homo erectus.
6			Trace the emergence of hominids in Europe, including information about Atapuerca.