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HLTB21H3 (177)
Chapter 2

HLTA01- Chapter 2.docx

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Health Studies
Caroline Barakat

HLTA01- Chapter 2 - Australopithecus anamensis:  'Lucy'  scavengers or vegetarians - Homo habilis:  'handy man'- made and used simple stone tools  scavengers - Homo erectus:  omnivores  hand axes  used fire - Homo sapiens:  artistic carvings and cave paintings  rituals  organized living  hunter-gatherers - Cro-Magnons replaced Neanderthals with more superior weapons and cultural practices - population bomb supposedly began with initiation of agriculture and domestication of animals, which changed environmental restraint (8000 BC) - Thomas Malthus:  food supply increases arithmetically while population increases exponentially  Malthusian 'checks': disease, war, starvation, etc. would act as 'natural restraints' - 3 surges of human population: cultural/tool-making revolution, agricultural revolution, and industrial revolution  2 checks helped stabilize population: external/environmental factors (food, space, etc.) and self-regulating factors (fewer births, homicide, parasites) - 50 000 years ago in light of homo sapiens = The Great Leap Forward  made and used stone tools and bones of animals to hunt and kill prey at a distance  invention of rope, made snares and nets to capture birds and fish  clothed themselves using animal skins  changes in cognitive capacities  improvement of voice box = development of language - agricultural revolution: time when humans domesti
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