The Homo habilis was found to have made tools (thought to have been used for cutting meat, and breaking open bones) out of lava rock, Homo erectus developed a more advanced selection of digging, scraping, and cutting tools, while Cro-Magnons created an array of useful, and even more advanced selection of tools. Each time that one of these beings created such a tool they made their lives easier, which I believe prolonged and enhanced their lives. Another useful skill was the ability to manipulate
The Homo habilis was found to have made tools (thought to have been used for cutting meat, and breaking open bones) out of lava rock, Homo erectus developed a more advanced selection of digging, scraping, and cutting tools, while Cro-Magnons created an array of useful, and even more advanced selection of tools. Each time that one of these beings created such a tool they made their lives easier, which I believe prolonged and enhanced their lives. Another useful skill was the ability to manipulate