Anthropology 105

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29 terms · Sahady WVU exam 1

Fossil

Remains of past life forms

artifact

man made

gene pool

all genes in a population

Taxonomy

Classification using sets of categories

fusion

splitting of a population

Osstrial

earliest fossil

Darwin-Natural selection

reproduction

Lemark

All living things are adapted and must change over time to survive

Hominids

Modern human beings as well as primates who walk erect(Bipedal)

Australopithecus

4.2-2.3 mya earliest well esablished homid fossil

Gracile

Small teeth and jaw.. smaller skull

robust

bigger teeth larger jaws more muscular

HOMO 2 species

flatter face, forehead less sloping and larger brains

Homo habilis

larger brain smaller teeth

homo erectus

1.8 to 100,000 brain size overlaps range of modern human tools are hand axe and flaking tools used poss of burial and fire

homo sapians

780,000-36,000

moden humans 300,000 ya-

:)

hypothesis

yet to be rigorously tested

theory

has already undergone extensive testing

Mutation

any spontaneous change error in genetic code

Subfields

Archeology, Biological anthropology, cultural anthropology, linguistics

new world monkeys

all arboreal live in trees have prehensile tails

Old world monkeys

Dont have prehensile tails

Palentology

study of past life using fossils and geological context

distinctive human traits

bipedal, disk shaped pelvis, lumbar spine, straight lower limbs, arched non prehensile feet length and flexiable thumb

genetic flow

process where gene pass from one pop to another through mating and reproduction

founder effect

genetic differences bet. pop. produced by the fact that genetically diff. ind. est. true pop

mammals

large brain, tree dwelling, 3d visionsteroscopic reduced sense of smell grasping feet and hands opposible thumb flexiable limbs, quadripedal, but pipedal for breif periods few offspring extened direct care social animals

genetic drift wright effect

random fluctuation of allels in a population from generation to generation; smaller pop= greater flucuation

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