This diagram called 'The March of Progress ... 3 million years ago -- has added other evidence to the tree-theory of human evolution. There are still missing links in the evolution of modern ...

And, while other branches of the human evolutionary tree are vigorously debated in ... Cladogram: a branching diagram that represents only phylogenetic relationships among organisms (i.e., it ...

These diagrams don't ... as speech is a uniquely human trait). Thus, understanding the evolutionary history of living species amounts to understanding where on the tree of life these species ...