Bipedalism in a sentence

Limited bipedalism Limited bipedalism in mammals Other mammals engage in limited, non-locomotory, bipedalism.

She cautioned that the so-called “savanna hypothesis” for bipedalism, which dates back to the 1920s, is considered by some scientists to be an oversimplification.

The newly analyzed fossils document a greater, but far from perfect, adaptation to bipedalism in the Ar. ramidus ankle and hallux (big toe) than previously recognized.

Advantages Limited and exclusive bipedalism can offer a species several advantages.

Bipedal animals The great majority of living terrestrial vertebrates are quadrupeds, with bipedalism exhibited by only a handful of living groups.

Bipedalism also evolved independently among the dinosaurs.

Bipedalism raises the head; this allows a greater field of vision with improved detection of distant dangers or resources, access to deeper water for wading animals and allows the animals to reach higher food sources with their mouths.

Evolution of skin color further Loss of body hair in Hominini species is assumed to be related to the emergence of bipedalism some 5 to 7 million years ago.

For this reason, Hunt argues that bipedalism evolved more as a terrestrial feeding posture than as a walking posture.

Humans, as their bipedalism has been extensively studied, are documented in the next section.

It is important to distinguish between adaptations for bipedalism and adaptations for running, which came later still.

Many reptile species will also temporarily adopt bipedalism while fighting. citation One genus of basilisk lizard can run bipedally across the surface of water for some distance.

Movement There are a number of states of movement commonly associated with bipedalism.

Mundlos has found a region on chromosome 17 that might be responsible for human bipedalism.

Musculature Bipedalism requires strong leg muscles, particularly in the thighs.

Shoulder mobility would support suspensory locomotion behaviors which are present in human bipedalism.

The brains of these early hominins were about the same size as that of a chimpanzee, and their main adaptation was bipedalism as an adaptation to terrestrial living.

The extra support in the big toe and extensive plantar aponeurosis shows that Paranthropus had hyperextension of their toes for a "toe-off" gait cycle, characteristic of modern bipedalism in humans.

The idea that bipedalism started from walking in trees explains both the increased flexibility in the ankle as well as the long limbs which would be used to grab hold of branches.

They hypothesized that increased fragmentation of forests where A. afarensis as well as other ancestors of modern humans and other apes resided could have contributed to this increase of bipedalism in order to navigate the diminishing forests.