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Order Primates

Exam 4 Study Guide

QuestionAnswer
What are the characteristics of primates? more reliant on vision, flattened fingernails and toenails, prehensile hands and feet (opposable thumbs), teeth, greater facial expressions and vocal repertoire, reduced litter size, prolonged infancy and childhood, and one pair of mammary glands (chest).
Family Hominidae (Great Apes) - What kinds of primates are in the Great Ape family? orangutans, gorillas, chimpanzees, bonobo chimps, and humans
Where in the world did early human ancestors first evolve? Africa
Who are the human ancestors and how long ago did they live? Orrorin tugenensis (apelike) 6mya; female ardipithecus ramidus 4.4mya; australopithecus afarensis 3-3.5mya; homo heidelbergensis 700-200kya; homo neanderthalensis 70kya; australopithecus africanus 3mya; homo habilis 1.9-1.6mya; homo erectus 1.5mya
Which was the first bipedal ancestor (based on fossil records) and when did it evolve? female ardipithecus ramidus and it evolved 3mya
What does "bipedal" mean? 2-legged
What is the scientific (Genus species) name of modern humans? homo sapiens
How long ago did modern humans evolve? 130,000 years ago
What were some other early humans that co-existed with our species? homo heidelbergensis and homo neanderthalensis
How did skin color evolve in humans? it depended on your location and how intense the sun was there. (Intense=darker skin; Less Intense= lighter skin)
Created by: BrittBrat11
 

 



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