![]() ![]() Why would our ancient ancestors have a reduced ability to chew just after their diet became more gamy? Keep in mind that around the same time, their brains got larger, and their foraging ranges increased, causing their energy needs to grow.Ī study published Wednesday attempts to address this paradox. It is a seemingly strange evolutionary choice. ![]() “In general, we see decline in tooth size and jaw size.” “With the advent of our genus, we start to see this suite of changes that continue on throughout time,” said Katherine Zink, a human evolutionary biology researcher at Harvard.
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