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Unformatted text preview: there was a dramatic climate change that turned the dense forest into open, drier habitat o This is supported by the fact that plant and animal remains indicative of dry, open environments have been found at all early hominid excavations o Also, a large majority of apes live west of the Rift Valley the drier, more open habitat o However, observations have challenged this theory The forest chimps in Tai have more tools and more ways to manufacture them than the savanna chimps at Gombe-Now, anthropologists believe that the process of hominization began independently of the drying of the environment o In fact, the drying of the environment might have even delayed development...
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- Fall '07