ANTH 1013 Study Guide - Midterm Guide: Prehensile Tail, Sub-Saharan Africa, Gracile Capuchin Monkey
19 May 2017
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Derived features: laterally flaring nostrils, flat nostrils (platyrrhini) Activity pattern: all diurnal except the owl monkey (crespuscular) Taxa: ateles (spider monkey) prehensile tail (tail can grasp/hold things, cebus (capuchin) uses stone tools. Derived features: downward facing nostrils, 2:1:2:3 dental formula, ischial callosites (patches of thickened, hairless, bright colored skin on buttox of many apes), tuberosities (projection/protuberance on end of bone for attachment of a muscle/tendon) Derived traits: bilophondant molars (4 cusps oriented in 2 parallel rows resembles ridges) Derived traits: tail loss, larger brain, long arms, broad thorax. Fundamental niche: the full range of environmental conditions (physical and biological) under which an organism can exist. Realized niche: a portion of the fundamental niche that an organism actually occupies. Folivory: young and mature leaves and flower blossoms. Insectivory: crunchy adult insects and soft larvae or pupae: kay"s threshold: <500 grams=insectivore, >500 grams=folivore.
