Re: human digestion, this comparison of human digestive tract vs other animals https://www.researchgate.net/profile/David-Bravo-10/publication/276660672/figure/

Re: human digestion, this comparison of human digestive tract vs other animals https://www.researchgate.net/profile/David-Bravo-10/publication/276660672/figure/fig1/AS:294555871137795@1447239000608/Comparisons-of-digestive-tract-anatomy-It-can-be-seen-that-the-human-digestive-tract-is.png https://www.researchgate.net/profile/David-Bravo-10/publicat... I didn't mean to imply that australopitecus was predominantly carnivorous, but I recently found out they had tools for hunting and/or cutting flesh, just to make a point that the trend started much earlier than homo sapiens. Might come back with more links/thoughts later