EVOLUTION
THE ORIGIN OF LIFE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Increase in brain capacity
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A decrease in brain capacity
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changes in jaw size
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development of bipedal locomotion.
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Detailed explanation-1: -Hominin evolution is characterized by two main trends, transition to bipedality and increase in brain size.
Detailed explanation-2: -Three other trends are important in the evolution of hominins: bipedalism, non-honing chewing complex, and encephalization of the brain.
Detailed explanation-3: -Five different forces have influenced human evolution: natural selection, random genetic drift, mutation, population mating structure, and culture. All evolutionary biologists agree on the first three of these forces, although there have been disputes at times about the relative importance of each force.
Detailed explanation-4: -For instance, there is consensus among scientists that the three most recent species of hominids (Homo heidelbergensis, Homo neanderthalensis, and modern humans, Homo sapiens) all evolved from an earlier species called Homo erectus. But other relationships are murkier.