Human Evolution
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The most primitive of the primates
prosimians
What do anthropoids include?
monkey, apes & humans
Old world monkey were…
larger than New World monkeys. They are diurnal, and are physically different as well Narrow and downward pointing nostrils Longer hind legs than forearms
New world monkey were…
Monkeys range vastly in size - some are quite tiny, like the 6 inch pygmy marmoset, and some are larger - the howler monkey can be up to 3 feet in length.
New World Monkeys are called…
platyrrhines
Hominoids
Includes the great apes + lesser apes
oldest known biped
Ardipithecus ramidus
Australopithecus afarensis
It is thought that A. afarensis was more closely related to the genus Homo, whether as a direct ancestor or a close relative of an unknown ancestor, than any other known primate from the same time.
Oldest fossils of Homo
Homo habilis. First human ancestor to use stone tools.