ANTHR101 Lecture Notes - Lecture 8: Lemuridae, Weight-Bearing, Old World Monkey

• School: University of Alberta
• Department: Anthropology
• Course: ANTHR101
• Professor: Megan Highet

Document Summary

Humans are not descended from apes; we share an ancestor in common. Taxonomy: classifications based on morphology, behavior, and geography. Homology: similar traits due to genetic inheritance. Homoplasy: similar traits due to similar environment. Derived traits: shared traits not present in the ancestral population. Cladistics: focuses only on evolutionary relatedness using only homologous traits. Primitive traits: shared traits that are characteristic of an ancestral population. The only primates that eat only animal foods. Central & south america o o: marmosets / tamarins, cebids. Africa, asia & europe: no prehensile tails o, colobines. Mothers allow others to care for offspring soon after birth. Social groups consist of a single breeding male. Excellent brachiators o: diet: fruit, leaves, insects o. Terrestrial & arboreal o: diet: fruit & meat o. Changing environment continental drift changing weather patterns diversification of climates new plant life. Increased reliance on eyesight over smell o o. Robust heel, arched foot, loss of prehensile big toe.