BIOLOGY 1M03 Lecture Notes - Lecture 17: Diet Food, Cannibalism, Termite
18 Feb 2017
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Document Summary
Early hominin behaviour unlike orang-utans, early hominins probably lived in multi-male, multi-female groups food sharing may have been important to early hominins (especially mother-o spring, as in chimpanzees) The distribution of food: e ects of social system? food is generally not distributed evenly there is variation in the density of food patches and also distance between food patches. Soo what in uenced group size and behaviour in early hominins? distribution of food resources sexual selection; infanticide nature of food nature of reproduction: can reproduction be monopolize? event of parental care predation disease transmission. Gorillas use tools! gorillas use sticks to test depth of water detached sticks also used for support in swampy areas. Capuchin monkeys (a nwm) are known to use modi ed sticks to retrieve food, and also to use rocks to process food. Birds: rocks used to crack ostrich eggs by egyptian vultures; various species drop nuts and mollusks on streets to be cracked by cars.
