Anthro2050 1st Edition Lecture 13 Outline of Last Lecture I Evolutionary Forces and Sources of Variation II Introduction to Primates Outline of Current Lecture I Characteristics of Primates Current Lecture homology traits shared due to common ancestor common misconception that evolution follows the pattern of Monkeys Humans Whereas it is more of Common Primate Ancestor Monkey Ancestor Monkeys Ape Ancestor Human Ancestors Humans Generalized anatomy among primates General primate hand 4 long fingers and an opposable thumb Clavicle which allows the arms to spread out to the sides not just forwards and up Increased reliance of vision over other senses flat nose snout color vision no whiskers small ears which are often hairless eyes on the front of the face with overlapping vision generalized dentition that can be used to determine diet small liters with often one sometimes two offspring increased parental investment offspring learn how to behave through observation and cultural learning unlike some animals that have specific instincts built in for socialization and other cultural habits enlarged brain and neocortex Primate Geographic Locations mostly tropical areas where the temperature fluctuation from day to night is greater than temperature fluctuations between seasons South America Africa South East Asia East Asia Madagascar and one species in Europe Primate Diet frugivore eats primarily fruit folivore eating leaves and vegetation These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute insectivore or faunavore eat primarily insects omnivore diet of plant materials as well as meat Locomotion vertical clinging and leaping from tree to tree have long powerful back legs quadropedalism all four limbs roughly equal length brachiation swinging from the trees with long arms only gibbons do this knuckle walking use the knuckles for support bipedalism walk on the hind two legs
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