00:01
In the given question, anatomical features given to us are presence of a large skull crest, mainly the sagittal crest that was present on the early hominence, not in the modern day humans.
00:13
Then there is another feature about prominent brows, so prominent eyebrow, and the third feature that is given to us is large joe.
00:26
Now when we are comparing either comparing early hominence with modern day humans, we know that modern day humans, they have a smaller jaw, but their cranium size or the size of the cranium brain box, this size is large compared to the early hominence.
00:52
In the early hominence, the case was opposite.
00:54
They had a large jaw and their cranium size was so a cranium size was small comparatively to us now because their brain was hardly one -third of the brain mass that we have that modern human or homo sapiens have this large jaw it was for the attachment of muscles or jaw muscles and mainly for the chewing of the food now why they need need larger muscles and more number of muscles compared to we as humans or to do humans.
01:32
That is because their main diet, as we can even see today is about gorilers and chimpanzee, it consists more of fibrous food...