Caring for domesticated animals helped lead to the development of language and tools, claims an anthropologist.

Caring for animals may have a big hand in the evolution of humans from early civilizations, says Pat Shipman, a paleoanthropologist at Penn State University. Shipman explores various prehistoric evidence to suggest that the connection between humans and animals led to the evolution of language, tools, weapons and domestication. She points to the earliest forms of language, cave paintings that often featured animals, suggesting that the conversations were about animals. The early man also used animals as living tools to help themselves adapt to new environments such as in deserts where he domesticated camels as a means of transportation.

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