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Unformatted text preview: is the most general (widely applicable) and convenient (easily calculated) measure of food value; and in fact, majority of documented cases of severe nutritional scarcity (both chronic and acute) have pinpointed calories as limiting factor 2. Other goals are important, but in most pre-industrial populations, acquisition of food energy seems to be single most time-consuming activity 3. If we use rate measure, increased efficiency will often be advantageous even when energy is not in short supply To expand on this last point, theory suggests that increasing one's energy return rate is adaptive in 3 general situations (see also Hames 1989 reading): 1) food energy is scarce relative to demand ("energy-limited") 2) time for other activities is scarce relative to demand ("time-limited") 3) energy acquisition involves greater risk (e.g., of accident or attack) than many other activities...
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This note was uploaded on 11/22/2011 for the course ANT ANT2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.
- Fall '10