This circumstance gave rise to the hegemonic period of mammals, where the first
bipedal hominids emerged around 7 million years ago.
As the forests of Africa shrank, the theory suggested,
bipedal hominids emerged who could move more freely while foraging on the expanding savanna.
The tracks are the earliest record of
bipedal hominids.
Derrickson also skillfully provides an explanation for why Klaatu would be
a bipedal hominid (an unlikely product of independent evolution on another planet)-- genetic engineering of placental tissue surrounding his original alien body, with embryological development sped up hundreds of times to transform him into a being recognizably human.
When Whitcome's team compared the spines of one male and one female Australopithecus africanus, an early
bipedal hominid that lived roughly 2 million years ago, it found differences in the number of wedged vertebrae.
Not exact matches
«The mosaic Ardi pelvis fits with its equally mosaic foot and reveals, for the first time, how
hominids became
bipedal.»
However, fossil discoveries show that millions of years after early
hominids became
bipedal, they still had small brains.
University of Arkansas anthropologist Mike Plavcan recently reexamined fossils of one of our earliest
bipedal ancestors, the 4 million - year - old Australopithecus afarensis, and found
hominids may not have been as marriage minded as previously thought.
tribe of the
hominid family of primates, distinguished by erect posture,
bipedal movement, large cranial capacity, and use of specialized tools.
j. Fred Spoor et al., «Implications of Early
Hominid Labyrinthine Morphology for Evolution of Human
Bipedal Locomotion,» Nature, Vol.
The oldest known
hominid; it shares many features with both apes and humans but is thought to be
bipedal.