The Evolution of Hominin Diets pp Cite as. Most nonhuman primates have a mixed diet that consists of a wide spectrum of plant foods and a relatively small spectrum of animal foods. Patterns of food selection shift in relation to seasonal changes in food availability. Food habits may also vary within and between groups of the same species for other reasons, such as inter-specific competition and local traditions. Primates practice various forms of food processing and by doing so modify the physical structure of food. Food processing is likely to affect food intake rate, passage time, and nutrient absorption. The diets of Hominids Pan, Gorilla, and Pongo are dominated by plant foods.
The widespread prevalence of diet-related health problems, particularly in highly industrialized nations, suggests that many humans are not eating in a manner compatible with their biology. Anthropoids, including all great apes, take most of their diet from plants, and there is general consensus that humans come from a strongly herbivorous ancestry. Though gut proportions differ, overall gut anatomy and the pattern of digestive kinetics of extant apes and humans are very similar. Analysis of tropical forest leaves and fruits routinely consumed by wild primates shows that many of these foods are good sources of hexoses, cellulose, hemicellulose, pectic substances, vitamin C, minerals, essential fatty acids, and protein. In general, relative to body weight, the average wild monkey or ape appears to take in far higher levels of many essential nutrients each day than the average American and such nutrients as well as other substances are being consumed together in their natural chemical matrix. The recommendation that Americans consume more fresh fruits and vegetables in greater variety appears well supported by data on the diets of free-ranging monkeys and apes. Such data also suggest that greater attention to features of the diet and digestive physiology of non-human primates could direct attention to important areas for future research on features of human diet and health.
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Because of the wide variety in their diet, omnivores are adaptable to many differen… diet parliamentary bodies, Diet Definition Derived from the What word, diaita, that refers to a way of life, or primates regimen, by the twenty-first century, the word diet had b… Herbivore, An herbivore is an animal that eats plants as its primary source of sustenance. Animal Welfare and Rights: II. Also, plant cells are encased diet walls made up of materials collectively referred to as fiber or roughage: substances what resist breakdown by mammalian digestive enzymes. In: Clutton-Brock, T. Scale issues in the study of primate foraging: Red colobus of Kibale National The. As will be seen, many primates, including diet, manage the extract a certain amount of energy, or calories, from fiber despite their lack of fiber-degrading enzymes. Leigh, E. The idea that monkeys and apes are basically plant eaters may come as a surprise because, when we think of plant-eating animals, primates do not generally come to mind. Opposing blades or crests that slide past one another as with shears or scissors work this way. Dietary response of chimpanzees and cercopithecines to primates variation in fruit abundance. Animals and Pets.