Sunday, February 12, 2012
Homo Ergaster
In my opinion, Homo Ergaster was the most important stage in human evolution. They were the first in our line to be able to sweat, which helped because they could be out in the sun for very long periods of time and not overheat. They could get more done, while other species had to cool down in the shade. Also, since they didn't have to pant to regulate their body temp, it allowed them to start making noises and communicating to each other. One of the most important things was their big brains, which allowed them to make connections between seemingly not connected things.
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I agree with Ben that Egastur is the most important. Their ability to sweat made them be able to cool themselves down in very warm weather. The brain they had was the biggest assets though. It made them better than anything living at that time
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