Anderson, B., and S. D. Johnson. 2006. The effects of floral mimics and models on each others' fitness. Proc. Roy. Soc. Lond. B 273:969-974. Ahnesjo, J., and A ...

The adaptive landscape of posture evolution in mammals and their ancestors. Living and fossil species with sprawling vs upright postures occupy different adaptive peaks. For over a century, scientists ...

Paradoxically, natural selection can sometimes seem to block organisms from evolving useful adaptations. But a new study of “fitness landscapes” and antibiotic resistance in bacteria shows that life ...

Models of adaptive radiation were originally developed to explain the early, rapid appearance of distinct modes of life within diversifying clades. Phylogenetic tests of this hypothesis have yielded ...

If you could hit the reset button on evolution and start over, would essentially the same species appear? Yes, according to a study of Caribbean lizards by researchers at the University of California, ...