Grossmont College The origin of Us Video Discussion
Description
watch https://www.dailymotion.com/video/x1bpvrl and answer the following questions:
- What kind of environment most likely favored bipedalism?
- What is dorsiflexion, and what is the difference in Humans and Chimps ability for dorsiflexion?
- What color are living bones? Why are they that color?
- What about Lucys tibia suggests she walked, rather than climbed?
- How many muscles do Homo sapiens use to walk?
- Why was Nariokitome able to survive on the savannah?
- How did sweat help our species evolve?
- What is the point of a large, long, strong thumb?
- What is surprising to the narrator about how the pinky finger functions?
- Name at least one trait that we lost in the transition to Homo sapiens, and chimpanzees retain.
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