The correct answer is option A. large cranial capacity.
Explanation:
Humans (genus Homo) are said to have descended from australopithecines ancestors found 2 to 3 million years ago. Early homo came after the australopithecines who were more similar to homo sapiens.
The major characteristics that distinguish early Homo from Australopithecus are early homo have a larger cranial capacity which is larger brain size and smaller dentition. This distinguish character is more because of their diet.
Thus, the correct answer is option A. large cranial capacity.
Capillaries in the skin are more specialized to release heat from the body while capillaries in muscles are specialized to carry and release large amounts of oxygen
