The Myth of the Ever-Changing Hominin Phylogeny One of the common plaints leveled against paleoanthropologists is that they are constantly re-arranging the human evolutionary tree. Indeed ...

Researchers have used distinct markers from human subpopulations to trace back to our common African root in a giant human "tree." However, a “trellis” model might be more appropriate.

Deep Tree: Students explore an interactive ... biogeography, applications of phylogeny to health, and human evolution. The worksheets are divided into missions and are designed to be completed ...

CHIEF SPECIMENS: cranium, jaw fragments, teeth found in western Chad, 2001 WHEN LIVED (est., in years ago): 7.6—6 million BRAIN SIZE (est., in cu cm): 360-370 (slightly smaller than a male chimp ...

They then created a kind of family tree, or phylogeny, of these sister amino acid sequences and structures that showed evolutionary relationships. Finally, the researchers took viperins from ...