This feature was the result of having heavy jaw muscles that anchored along the top of the skull, it allowed for chewing using the enormous mandibles found in the species that had this trait
Added by Lorena D.
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Step 1: Identify the feature being described, which is the presence of heavy jaw muscles that anchor along the top of the skull. Show more…
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This skull feature is found in gorillas, chimps, and even in some robust species of hominins. It helps to anchor the temporalis/chewing muscles. Careful with spelling - two words.
Adi S.
How did the evolution of jaw musculature allow mammals to spread?
The large chewing complex (large molars, robust face, and large chewing muscles) of species of Paranthropus (or "Robust Australopithecines") such as Paranthropus robustus indicate an adaptation for... fighting with other males for access to reproductive age females eating significant amounts of red meat or animal protein eating hard, tough foods which require heavy chewing gnawing on bones all of the above
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