At what stage of our evolution did active (voluntary) food sharing, which is unique to humans, evolve?
Active (voluntary) food sharing presumably evolved in the period in which our human ancestors advanced into the savannah and faced the difficulties of food scarceness and dangerous predators. Living in sparse woodlands inhabited by large carnivores, but where few trees were available to aid with escape, our ancestors may have been forced to differentiate between foraging sites and feeding sites.
This was the first “food revolution” among humans, and it eventually made our brains bigger and supported the evolution of increased sociality.
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