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exam 2 biological anthropology questions and answers
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exam 2 biological anthropology questions and answers
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exam 2 biological anthropologyquestions and answers
primatology - Answer-study of nonhuman primates
behavior ecology - Answer-study of animal behavior from an evolutionary perspective
and in a natural context
intrasexual competition - Answer-usually male-male
physical combat
sperm competition
pursue/hold higher rank
infanticide
intersexual competition - Answer-male coercion
physical intimidation of females
physical ornaments
infanticide
pongo - Answer-gorilla/pan/homo split 18.3 mya
gorilla - Answer-pan/homo split 8.6 mya
pan - Answer-homo split 6.6 mya
pan paniscus - Answer-pan troglodytes split 2.2 mya
k-t extinction - Answer-65 mya
at least one major meteor impact
increased volcanic activity
climate change/extinctions already in progress
disruption of biosphere- mass extinctions- many ecological niches open up
pre-cenozoic - Answer->65 mya
diversification of primitive mammals in mid to late cretaceous
diversification of angiosperms, social insects
paleocene - Answer-warm wet earth relative to today
65-55 mya
eurasia and NA still connected
beginning of the age of mammals
eocene - Answer-55-34 mya
earth is warm and wet, then grows cooler
, 1st true primates in northern hemisphere
adapoids - Answer-resemble lemurs and lorises, family of mostly Eocene primates,
probably ancestral to all strepsirhines
eosimias - Answer-likely ancestral haplorhine/anthropoid
tarsier sized
oligocene - Answer-34-24 mya
habitats diversify across the world
huge drop in sea level by end of oligocene
sharp drop in temp
perm ice caps at both poles
miocene - Answer-24-5 mya
world warms but then grows dryer, colder, more seasonal
fluctuating sea levels
expansion of grasslands and woodlands in africa
pliocene - Answer-global cooling, drying trend continues
continents approach modern
deserts spread in africa and asia
monkeys diversify
estimated divergence of chimps and bonobos 2.2 mya
theropithecus - Answer-genus containing several species of giant terrestrial
cercopithecines
only one extant species (t.gelada)
sivapithecus - Answer-orangutan ancestor (12.5 mya)
during miocene
no tail but monkey like body
paleoantrhopology - Answer-study of primate/human evolution
paleontology - Answer-field devoted to finding, studying and understanding fossils
taphonomy - Answer-the study of what happens to remains from death to discovery
-decay in natural context and processes of fossilization
chemical dating - Answer-bones from the same location/time should have very similar
chemical signatures
ex. fluorine dating
exposed piltdown hoax in 1950s
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