ANTC23H3 Lecture Notes - Golden Lion Tamarin, Common Chimpanzee, Bonobo

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13 May 2011
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Lecture 1 May 10, 2011 Blue Font
SLIDE COURSE GOALS 3:
An adaptive trait or behaviour increases an individuals reproductive success (RS)
relative to other individuals in the population
oExample: mate-guarding, and sexual jealousy in humans
SLIDE ANTHROPOIDS:
Larger relative brain size than prosimians
Reduced reliance on smell (visual communication more important)
SLIDE ANTHROPOIDS 2:
Have slower life-history than prosimians (take more time to sexually mature, live
longer, have longer gestation lengths)
SLIDE APES (CONT.):
**GREATER APES: Chimp, gorillas, orang-utans
**LESSER APES: gibbons/siamangs
SLIDE CHIMPANZEES:
Common Chimpanzees
(Pan troglodytes)
Pygmy Chimpanzees (make love, not war)
(Pan paniscus), bonobos
SLIDE CHIMPANZEES (CONT.):
Common Chimpanzees - Pygmy Chimp
Alpha individual in a group is - some groups have an alpha
female
always a male - copulation used in many contexts (to
lessen
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