Which of the following correctly describes the general trend in hominid evolution?   a. larger body size, broad forehead, smaller brains  b. increase in brain capacity, bipedalism, use of tools  c. thickening of the skull, protruding teeth, organized hunting  d. large canine teeth, small skulls, diet of coarse plant material

(B) Increase in brain capacity, bipedalism, use of tools.

Hominid evolution is an evolutionary process which led to the development of modern humans. At first, the size of the sull particularly cranium increased in size. This led to an increase in brain capacity. The jaws became smaller. The homonids started standing upright on their two feet. At last, they started making and using tools.

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