NRC 261 Lecture Notes - Lecture 3: Cellulose, Ruminant, Scurvy
4 Feb 2016
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Document Summary
Is food homogeneously distributed: is it available. Are there temporal changes in availability: does it change from season to season. And most primates due from disease and habitat change. Proximate cause apparent: usually predation. Ultimate cause - underlying: often food- or disease-related. Seasonal availability: winter low, dry season - low, water - reactions/lubricant. Sources: free water from external sources. Streams and ponds: preformed water found in food. Fruit: metabolic water from the breakdown of food. Micro (trace) elements: iron, zinc, selenium, iodine. Sources of minerals: food, soil geophagy, bones. Fat soluble stored in body: a, d, e. Water soluble need from food: b, c, no vitamin c = scurvy. Limitations on food intake: behavioral, morphological & physiological. Some are adapted to eat a lot (or not: environmental limitations. Adaptations to maximize food consumption and energy retention: The reason why, is because the acorn crop was failing.
