Answer;
The small brain and large canines of Ardipithecus.
Charles Darwin hypothesized that bipedalism arose so that hominids would have two free hands to create and carry weapons. The fossil evidence that now refutes this hypothesis includes small brain and large canines of Ardipithecus.
Explanation;
Charles Darwin compared living humans to apes, and suggested our enormous brains and upright locomotion were linked.
He developed Hunting hypothesis, according to him;
- Bipedalism had freed the hands for carrying weapons.
- Intelligence increased; size of canines diminished.
-Tool production and use essential for development of human intelligence.
