Web Results

en.wikipedia.org/wiki/Bipedalism

Bipedalism is a form of terrestrial locomotion where an organism moves by means of its two ... Types of bipedal movement include walking, running, or hopping. ... Even though bipedalism is slower at first, over long distances, it has allowed humans .... Many primates can stand upright on their hind legs without any support.

humanorigins.si.edu/human-characteristics/walking-upright

Walking upright may have helped this species survive in the diverse habitats ... enabling early humans to appear larger and more intimidating;; helping early ...

www.answers.com/Q/What_species_first_appeared_to_walk_upright

Adam (if you are religious and believe in it) or: (if you follow the timelines of the earth and respect the hard working anthropologists) Homo erectus was the first

www.smithsonianmag.com/science-nature/becoming-human-the-evolution-of-walking-upright-13837658

Aug 6, 2012 ... Walking on two legs distinguished the first hominids from other apes, but ... fossils were of brainy species–Neanderthals and Homo erectus.

popular-archaeology.com/issue/june-2011/article/early-human-ancestors-walked-fully-upright-earlier-than-scientists-thought-study-shows

Jul 19, 2011 ... Early human ancestors walked fully upright about 2 million years earlier ... Australopithecus afarensis is an early species thought to be ... The more recent study results appear to support the hypothesis, ... Says Crompton, "we now need to determine when our ancestors first became able to walk or run over ...

www.newscientist.com/article/dn9989-timeline-human-evolution

Sep 4, 2006 ... When did humans first emerge on the scene, and how did we develop? ... with a volume around 400 – 500 cm3 -, but walk upright on two legs. First ... Our own species Homo sapiens appears on the scene – and shortly after ...

www.scienceclarified.com/He-In/Human-Evolution.html

The human species, or Homo sapiens, belongs to the hominid family tree. ... The reasons that human ancestors started to walk upright are not known. .... Neanderthals first appeared 300,000 years ago in what is now Europe, lived throughout ...

earthsky.org/earth/when-our-human-ancestors-first-walked-tall

Feb 21, 2011 ... When our human ancestors first walked tall ... Understanding that the arch appeared very early in our evolution ... stood and walked upright, perhaps the first human ancestor species to have this critical anatomical human trait.

www.encyclopedia.com/social-sciences-and-law/anthropology-and-archaeology/human-evolution/human-evolution

Darwin presented evidence showing that natural species including humans have ... Humankind appears to have first evolved in Africa, and the fossils of early humans, ... Thought to walk upright and bipedal, these may have left footprints in  ...