ANTH 4040 Chapter : Old World Monkeys
Document Summary
In africa & asia (continental & islands: comparison: owm & hominoids. Arms & legs are more equal in length. Narrow thorax (scapula is on the side of thorax) broad thorax. Bilophodont cusp pattern on lower molars (4 cusps arranged @ 4 corners of tooth, with a crest connecting the front cusps & another crest connecting back cusps) Y-5 cusp pattern on lower molars: anatomical differences between ceropithecinae & colobine. High cusps on teeth: cercopithecinae: frugivory or omniovry, colobinae: folivory, reason for enlarged stomach (with colony of bacteria) is to digest highly folivorous diet. Females: dominance relationships is stable thru adult female"s life, female inherits dominance position comparable to that of her mother. Natural selection: sociably attractive ; groomed more frequently, priority of access @ feeding sites. Increased mating opportunities with other high ranking individuals. Lower infant mortality (adult females: gelada baboon, social organization single male polygyny, male emigrates from birth troop, females stay in birth troop, grooming.
