preference for sweet food
- a sign of ripeness in fruit- high sugar, a good sorce of energy and calories
- sweet berries are rarely poisonous, bitter tastes are associated with poisonous foods
preference for high fat
- fats have high amount of calories, leading to better food reserves
- bingeing on fats would be advcantagous when food supply is short
preference for meat
- meat was good to ancestors as high in nutrients, anabled brain development that would not have been possible when eating plants
Evaluation- 3 day old babies prefer sweet liquids, adaptive for breast milk to be sweet
- starving chimps ate the fattiest meats first because of the calorie content
- evidence suggests sweet foods are preferred because of the calorie content
Comments
No comments have yet been made