Human Evolution By: Mr. Fletcher and Mr. Kelly Chimpanzees are the closest living relatives of...
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Transcript of Human Evolution By: Mr. Fletcher and Mr. Kelly Chimpanzees are the closest living relatives of...
Human EvolutionBy: Mr. Fletcher and Mr. Kelly
Chimpanzees are the closest living relatives of humans and share nearly 99 percent of
our DNA!
1) Enlarged Brains
2) Opposable Thumbs – allows use of basic tools
3) Complex social systems
4) Adapted to living in trees – Safe from attack,
and source of food
5) Teeth (4-cusped)
6) Flexible shoulder, rotating forearm
7) Eyes facing forward (predator adaptation) -
Depth perception
1) Enlarged Brains
2) Opposable Thumbs – allows use of basic tools
3) Complex social systems
4) Adapted to living in trees – Safe from attack,
and source of food
5) Teeth (4-cusped)
6) Flexible shoulder, rotating forearm
7) Eyes facing forward (predator adaptation) -
Depth perception
1) Bi-pedalism
2) Pelvic Bones – Due to differences in stature
3) Less Hair – Because of bi-pedalism
4) Skull/ Brain Size – Even larger than the other
primates. (Human ~1300cc, gorilla ~500cc)
5) Spinal Column Position
6) Larger Pelvic opening because of larger heads.
7) Humans can extend thumb further across the
hand, giving them exceptional ability to
grasp and manipulate objects.
1) Bi-pedalism
2) Pelvic Bones – Due to differences in stature
3) Less Hair – Because of bi-pedalism
4) Skull/ Brain Size – Even larger than the other
primates. (Human ~1300cc, gorilla ~500cc)
5) Spinal Column Position
6) Larger Pelvic opening because of larger heads.
7) Humans can extend thumb further across the
hand, giving them exceptional ability to
grasp and manipulate objects.
Why do humans ‘control’ the World?Our ‘massive’ brains allow us to...
• Use multiple complex languages
• Have highly evolved social behaviours
• Design and craft sophisticated tools
Referenceshttp://www.scientificamerican.com/media/inline/what-makes-us-human_1.jpg
http://www.gghjournal.com/volume23/2/images/feature2.jpg
http://blog.oregonlive.com/pdxgreen/2008/02/chimp.jpg
http://4.bp.blogspot.com/_E8BpJEni77I/SZmbTvpe8ZI/AAAAAAAAIIY/CfBiwF8garc/s400/bushchimp.jpg
http://www.commquest.at/comenius/images/language_books.gif
http://www.toothclub.gov.hk/en/images/en_1_1_4_img2.jpg