The key difference between Homo habilis and Homo erectus is:
1. Homo habilis used tools made of stone, while Homo erectus did not use any tools.
2. Homo erectus had a cranial capacity of 900 cc, unlike Homo habilis who had a cranial capacity of about 650 to 800 cc.
3. Homo habilis was capable of language, whereas Homo erectus was not.
4. Homo erectus lived in larger social groups compared to Homo habilis.
Subtopic:  Introduction to Human Evolution | Evolution of Homo Sapiens | Evolution Prior to Ape Man |
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