Week 8 ANTH 1001
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This 3 page Class Notes was uploaded by Olivia SaoBento on Sunday October 25, 2015. The Class Notes belongs to ANTH 1001 at George Washington University taught by O'Malley, R in Fall 2015. Since its upload, it has received 32 views. For similar materials see Biological Anthropology in anthropology, evolution, sphr at George Washington University.
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Date Created: 10/25/15
Pan revisited 0 Estimated wild population 0 Chimpsgt1727002997OO o Bonobosgt2950050000 o Majorthreats O Deforestation 0 Pet trade 0 Bush meat trade 0 Disease 0 Pissiology Life History 0 Moderate sexual dimorphism O Overlap in body size range physical and sexual development 0 Prolonged juvenileadolescent period Sociality similarities o Fissionfusion o Promiscuous mating o Estrous swellings Sociality differences 0 Chimps O Males are social sex Strongest social bonds among adult males Males dominate females Aggressive Infanticide and cannibalism Aggressively territorial Commit chimpicide against fellow chimps o Bonobos Females are social sex Strongest bonds among females mothers and sons Sexual conduct to reduce aggression Adult females dominate males Intercommunity encounters can involve sex grooming play and cofeeding quotlowimpactquot aggressiongt less extreme very rarely deadly Diet similarities o Primarily fruit 0 Also leaves pith flowers insects meat 0 2 subspecies of chimps also known to dig up tubers o Carnivory O Chimps 0 Hunting occurs in ALL long term studies but varies in frequency 0 Arboreal primates bush piglets 0 One pop Uses spears 0 Male dominated O Bonobos 0 Wide spread but low frequency 0 Different prey 0 Capture monkeys and play with them like dolls 0 Associate peacefully with monkeys 000000 000000 0 Female biased Other Faunivory o Chimps O Tooluse for termites O Swarming ants o Bonobos O No tool use 0 Ignore ants even through more prevalent Culture Group specific behavior acquired through social influences 0 Possible cultural behaviors 0 Dietary preference 0 Hunting techniques 0 Tool use 0 Social conventions o Chimps show broader and more sophisticated range of tool use in wild Why is there a difference 0 Chimps could be more derived in relation to pan ancestry not widely accepted Differences are exaggerated due to observation biases wild v captivity Reduced feeding competition in Bonobos no need for violence etc o Bonobos underwent process of quotselfdomesticationquot Last Common Ancestor LCA Pan are apes 0 Wide environment diet social systems 0 Extended developmental period 0 Nonlinguistic but capacity for complex communication 0 Tool use empathy deception planning Paleoanthropology study of primatehuman evolution 0 Fossils 0 Dating methods 0 Relative no specific numberjust olderyounger o Stratigraphic I Original horizontality I Superpositionolderlower I Crosscutting relationships older features have to exist before other features modify them 0 Lithostratigraphy I Compare rock at different locations for similarities I Identify major geological or ecological events I Local ecology I Correlation between sites to help date 0 Biostratigraphy I Same things in different areas mean about same time I Chemical dating 0 Bones should have similar chemical signatures from same location 0 Fluorine dating I Paleomagnetism 0 Not a specific date but a much narrower range o Poles swap 0 Absoluteestimated date or rangeat steady rate with a time 0 o Dendrochronology tree rings every year can see variation in events 0 Radiometric dating I Rate of decay of an isotope or element as a clock I Halflife how long it takes for half of isotope to decay C14 to N14 5730 I Common methodsgt carbon dating KArArAr 0 Amino Acid Racemization I Amino acids have particular orientation I Once an organism dies AA flip to alternate orientation at a steady rate affected by humidity 0 Which method to use 0 Constrained by materials 0 Dating fossil or artifact directly vs dating matrix 0 Multiple methods 0 Paleoecology o Taphonomy decay or lack there of
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