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 ...

Tree diagrams have been used in evolutionary biology since the time ... recently diverged lineages or deep splits in the tree of life. Indeed, the most basic postulate of evolutionary theory ...

These diagrams don't just organize ... biologists formally rejected the ladder of life in favor of the tree concept. Nonetheless, many current discussions of evolution, especially in the general ...

“Evolution isn't just a story ... extinct over the 3.5-billion-year history of life on Earth––can be summarized in an enormous family tree. To help you explore this tree and understand ...