Caption This evolutionary tree shows the split between primate and rodent lineages about 90 million years ago, before the emergence of Alu elements in primates and B/ID elements in rodents. These ...

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 ...