The evolution of human intelligence is closely tied to the evolution of the human brain and to the origin of language. The timeline of human evolution spans approximately seven million years, [1] from the separation of the genus Pan until the emergence of behavioral modernity by 50,000 years ago. The first three million years of this timeline concern Sahelanthropus, the following two million ...
INTELLIGENT meaning: 1 : having or showing the ability to easily learn or understand things or to deal with new or difficult situations having or showing a lot of intelligence; 2 : able to learn and understand things