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Question
Which of the following was not in the direction of evolution of human species?
Which of the following was not in the direction of evolution of human species?
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Solution
The correct option is C Raised orbital ridges
The evolution of human species is characterized by a number of changes that is morphological, developmental, physiological and behavioral. However, the most significant ones which shows the direction in the evolution includes developed and increased brain size, bipedalism, lengthened periods of gestation and infancy, and the evolution of power and precision grip through fully opposable thumb which is associated with the autonomization of the carpometacarpal joint that was seen first in dinosaurs. Besides these, the characteristics which show evolution includes importance of vision, evolution of sweat glands and dental arcade shape. However, with relation to orbital ridges, the human species shows a reduction in the brow ridges, and raised orbital ridges are characteristic features of Great Apes.
The evolution of human species is characterized by a number of changes that is morphological, developmental, physiological and behavioral. However, the most significant ones which shows the direction in the evolution includes developed and increased brain size, bipedalism, lengthened periods of gestation and infancy, and the evolution of power and precision grip through fully opposable thumb which is associated with the autonomization of the carpometacarpal joint that was seen first in dinosaurs. Besides these, the characteristics which show evolution includes importance of vision, evolution of sweat glands and dental arcade shape. However, with relation to orbital ridges, the human species shows a reduction in the brow ridges, and raised orbital ridges are characteristic features of Great Apes.
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