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population ch 9,12, and 5 in wright Flashcards

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259969394agricultural revolution?developed as a result of the industral revolution. Machines were developed taht repalced humans and animal energy with fossil fuel.
259969395ecological cost of agricultural revolution?fossil fuel depletion, air pollution and soil compaction.
259969396what is the Green Revolution?the implementation of technologies deveoloped in the industrialzed world to increase agricultural productivity
259969397Limitations and gains?it was dependent upon the develpoment of crop vareties that would produce more fuel
259969398what is subsistence agriculture?it is farming that is done typically on small pancels of land that provide the farmer and their family with food for the household and possibly a small cash crop. it lacks imput of industrial agriculture and is labor intensive.
259969399what is subsistence agriculture's relationship to sustainability?it is sustainable when the land being cultivated is not being depended on by too many people and when animals are combinded with it as well.
259969400what are our major prospects for increasing food production in the future?it looks good! over past 30yrs grain harvest and meat production have outpaced the population growht. MORE FOOD=MORE PEOPLE.
259969401what are the promiese and problems associated with using biotechnology in food production?1) endangers resistance to disease and pests that attack important tropical plants. 2) produce a tolerance to env. conditions such as drought and hig seasalt levels, that stree most plants. 3) improves the nutritional value of commonly eaten crops (golden rice) 4) imcorporate vaccines against major human diseases into the cells of commonly eaten plants like bananans.
259969402what does the Cantagena protocol state?it states that the lack of scientific uncertainity
259969403what are 3 levels of responsibility for meeting food needs?1) offical policies represented by a variety of welfare measures. (food stamps) 2) voluntary aid through hunger relief organizations. (increase # of ind who prod. food for themselves.) 3) food security at the national level can be imporved, increasing the ability of a country to be food sefl-sufficent. Global Food Security could be improved in problems such as trade inblance and human exploitations were addressed.
259969404how are hunger and poverty related?if you dont have $ you cnt buy foot. The poorest individuals in the world do not have access to land to grow their own food. this means they must buy it but they lack the $ to do so.
259969405How is famine relief accomplished?Food "aide is vital in saving lives where famines occur" food aid is a buffer against famine.
259969406How can food aide sometimes aggravate poverty and hunger?By undercutting the local farming economy and result in more people being dependent upon food aid.
259969407How is the world divided in terms of per capita incomes?High income, high dev ind countires: US west europe japan aust. canada (only 16% or pop lives in these countries but they control 81% wealth)
259969408how is the world divided in terms of fertility rates?they are lower in developed countries
259969409how is the world divided in terms of growth rates?they are higher in non developed countires
259969410what three factors are multiples to give total enviromental impact?population, affluence and technology
259969411Are developed countires exempt from enviromental impact?not exampt sicne increased comsumption levels.
259969412what 4th factor modifies envrionments impact and how does it work?Since attentions conservations and effecting many offset the neg impact of a consumer
259969413what are envrionment impacts (6) of rapid population growth in rural developing countires?1) overcultivation, soil erosion, decreased fertility 2) overfishing 3)poaching, illegal act hunting 4)moving to cites squalor and disease 5)migration, immigrations on pressure to develop countires 6) bring new land into prod by deforestionat irrigationd draining wet lands.

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