Environmental Science 1126: Exam 2
(Snyder LSU)
Humans are ___ selected and grow___? - ANS-k selected
exponentially
first revolution in human history? - ANS-neolithic
human origins - ANS-evolved in africa 200,000 years ago
neolithic revolution - ANS-- paleolithic period, first occurred in middle east
- transition from nomadic h/g lifestyle to permanent settlements
- everything we consider civilization
- agriculture was invented, food surpluses, domesticated crops
hunter gatherers - ANS-- men hunted (proteins), women gathered (calories)
- paleolithic period, but some exist today
Industrial Revolution - ANS-- transition to fossil fuel
- england, late 1700s
- biggo economic growth
- steam engine (james watt)
-mechanization of agriculture and transportation allowed more food accessibility
- wasn't spread out evenly
medical revolution - ANS-- 1880s its clear bacteria causes disease
- "hmm maybe wash ur hands sis, before delivering a baby" (ignaz semmelweis)
- spontaneous generation (pasteur)
, - vaccinations, treating sewage and drinking water, antibiotics and penicillin, nutritional
improvements
green revolution - ANS-- "man saved a billion lives" (norman bourlaug)
- introduced new crops that thrived in developing world but needs modern fertilizer !
- fertilizer, pesticides, and irrigation
human population # today?? - ANS-7.5 billion
how many of the population live in asia? - ANS-4 billion
TFR= 2? - ANS-stable pop. growth
TFR>2 - ANS-pop. grows
TFR<2 - ANS-pop. shrinks
USA TFR? - ANS-2.0- 2.1
developed countries TFR range? - ANS-1.1-1.6
developing countries TFR range? - ANS-2.8- 7
what does population growth effect in the environment? - ANS-climate change, biodiversity loss,
natural and energy resource use, food production, water supply, habitat destruction, and
deforestation
earth's carrying capacity (k) ? - ANS-unclear***
population profile - ANS-shows the number or percentage of men and women in a population
per year group or range of years (sometimes called a population pyramid)
age structure - ANS-number of people in each age group at a given date
phase I of human growth - ANS-- primitive stability
- high births are offset by high deaths
phase II - ANS-- epidemiologic transition
- declining death rate
(Snyder LSU)
Humans are ___ selected and grow___? - ANS-k selected
exponentially
first revolution in human history? - ANS-neolithic
human origins - ANS-evolved in africa 200,000 years ago
neolithic revolution - ANS-- paleolithic period, first occurred in middle east
- transition from nomadic h/g lifestyle to permanent settlements
- everything we consider civilization
- agriculture was invented, food surpluses, domesticated crops
hunter gatherers - ANS-- men hunted (proteins), women gathered (calories)
- paleolithic period, but some exist today
Industrial Revolution - ANS-- transition to fossil fuel
- england, late 1700s
- biggo economic growth
- steam engine (james watt)
-mechanization of agriculture and transportation allowed more food accessibility
- wasn't spread out evenly
medical revolution - ANS-- 1880s its clear bacteria causes disease
- "hmm maybe wash ur hands sis, before delivering a baby" (ignaz semmelweis)
- spontaneous generation (pasteur)
, - vaccinations, treating sewage and drinking water, antibiotics and penicillin, nutritional
improvements
green revolution - ANS-- "man saved a billion lives" (norman bourlaug)
- introduced new crops that thrived in developing world but needs modern fertilizer !
- fertilizer, pesticides, and irrigation
human population # today?? - ANS-7.5 billion
how many of the population live in asia? - ANS-4 billion
TFR= 2? - ANS-stable pop. growth
TFR>2 - ANS-pop. grows
TFR<2 - ANS-pop. shrinks
USA TFR? - ANS-2.0- 2.1
developed countries TFR range? - ANS-1.1-1.6
developing countries TFR range? - ANS-2.8- 7
what does population growth effect in the environment? - ANS-climate change, biodiversity loss,
natural and energy resource use, food production, water supply, habitat destruction, and
deforestation
earth's carrying capacity (k) ? - ANS-unclear***
population profile - ANS-shows the number or percentage of men and women in a population
per year group or range of years (sometimes called a population pyramid)
age structure - ANS-number of people in each age group at a given date
phase I of human growth - ANS-- primitive stability
- high births are offset by high deaths
phase II - ANS-- epidemiologic transition
- declining death rate
