ANT101H5 Lecture Notes - Lecture 10: Homo Erectus, Acheulean, Nations Of Nineteen Eighty-Four

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6 Feb 2016
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Lecture 10 - Early Homo, Homo erectus
February 25, 2013
Early Hominins
Australopiths and early Homo. Page 228-229
Diversity of species/ adaptive radiation: Have grassile, aferensis, robust and some homo
species all living at the same time in the same types of environments. There are so many
species because the groups weren't travelling far, thus interbreeding in small population.
This causes genetic drift, and based on random factors, speciation begins. They climbed
more and lived in the trees.
Brain size: from 3 - 1mya there was a
flat line when looking at
encephalization.
Development in children: modern apes
are shorter than modern humans.
Australopiths had a longer childhood, as
this was the trend for primates evolving
into modern humans.
Timing: later Australopiths and early
Homo overlap for more than a million
years, including Homo erectus, so they
might have interbred.
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