3. In evolutionary terms, we have more in common with (a) A Chinese school-boy. (b) A chimpanzee. (c) A spider. (d) A bacterium.
In terms of evolution, organisms belonging to the same species have more in common than organisms belonging to different species of the same genus or different genus. We have more in common with a Chinese school-boy because both belongs to the same species of Homo sapiens, and thus, share a common ancestor.
