.We split from the great ape's 6 million years ago
.We have a relatively long duodenum and small intesting specialised for the absorptionof protein, the great apes have a relatively long duodenum and large intestine for the digestion of plant materials
Hunting would lead to the development of specialised skills: Tool making, Navigation, Communication.
Our taste receptors are specialised to identify five key taste qualities: Sweet, sour,salt,bitter, umami,
Bitter and sour- to identify things that have gone off
Cultural trasmission: Spices have always been part of the human diet, for killing bacteriaa and would have helped the survival of our ancestors however through cultural trasmission would spread the word that spices help to prevent food poisioning, so are used in hot countries where food goes off quickly and in meat (Sherman and Hash)
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