In 1871, Charles Darwin provided an explanation in his book "Human Evolution and Coma." Hominids had to walk on two legs to release their hands. To be successful as a provider, men need to be free to use their arms and hands to carry food, and thus bipedalism has evolved. 6авг. 2012г.
Why did humans evolve bipedalism?
Possible reasons for the evolution of human bipedalism include the release of hands to carry with tools, threat labeling, sexual dimorphism in food collection, and climate and habitat. Changes (from jungle to savanna) are included.
Why did humans evolve to walk upright?
(4-7 million years ago, humans and chimpanzees diverged from a common ancestor, after which they grew independently.) As a group, humans used 75% less energy to walk upright than chimpanzees walking on all fours. In essence, erect bipedalism seemed beneficial as it saves energy.
Why did humans evolve long legs?
Long legs allowed them to travel longer distances. Eating meat and other foods that can be digested quickly narrows the digestive tract, allowing taller bodies and larger brains to use more energy. As early humans spread to colder climates, their shapes evolved in ways that helped them stay warm.
Why did humans evolve as they did?
Over time, genetic changes can change the overall way a species lives, such as what it eats, how it grows, and where it can live. .. Human evolution took place when new genetic variation in early ancestral populations supported a new ability to adapt to environmental changes, thereby altering human lifestyles.
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