How do placental mammals show radiative evolution?

and each lineage continued to evolve independently. Despite this great ... The marsupials have undergone an adaptive radiation to occupy the diversity of habitats in Australia, just as the placentals have ... than are marsupials. Using a shade of the color you used for (a), color the adult marsupial and joey shown within the. read more

CONVERGENCE: MARSUPIALS AND PLACENTALS Marsupials in Australia and placental mammals in North America provide another example of conver-gent evolution. read more

Among the surprises is the study's conclusion that the ancestor of a group of placental mammals called Afrotherians—a diverse group that includes aardvarks, sea cows, elephants, and elephant shrews and was presumed to have evolved in Africa—actually lived somewhere in the Americas. read more