Word: ancestors
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What remains to be seen is whether Harvard will continue to follow in the footsteps of its ancestor from a recently passed era or blaze its own path...
...recent study in Western Ecuador was prompted by a 2002 study in Costa Rica, which focused on two species of geographically separated butterflies with a common ancestor. Although these white– and yellow–winged species had once been the same species, members of each preferred mating with butterflies of the same species—an example of what is known as assortative mating preference...
...style in trees. Rather, she moved along branches using a primitive method of palm-walking typical of extinct apes. "[Ardi is] a lovely Darwinian creature," says Penn State paleoanthropologist Alan Walker, who was not involved in the discovery. "It has features that are intermediate between the last common ancestor and australopithecines...
...females, and their own offspring, by foraging for and sharing food, for example - a change in behavior that could help explain why bipedality arose. Carrying food is difficult in the woods, after all, if you can't free up your forelimbs by walking erect. (Read "Ida: Humankind's Earliest Ancestor! [Not Really...
...smithereens and needed extensive digital reconstruction. "Tim [White] showed me pictures of the pelvis in the ground, and it looked like an Irish stew," says Walker. Indeed, looking at the evidence, different paleoanthropologists may have different interpretations of how Ardi moved or what she reveals about the last common ancestor of humans and chimps...