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Cards In This Set
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View held by Paul Ehrich suggests that the effect on resource supplies (eg food) due to greater numbers of people..?
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Is a problem because resources are limited and can be depleted.
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If there is _______, populate growth rates will increase
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Increased immigration
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Monoculture?
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Is an agricultural practice of growing large strands of a single species.
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Green revolution techniques_____?
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Have increased crop yields but may not be sustainable.
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Seed banks are important for?
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Protecting genetic diversity
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Leaching?
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Removes water soluble nutrients from soils
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Terracing, contour farming, intercropping, and crop rotation all.....?
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Are techniques for conserving soil resources and fertility.
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Which scientists classify species using an organism's physical appearance and genetic makeup?
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Taxonomists
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The extinction of a particular population from a given area (but not entire species globally) is called?
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Extirpation
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Of the choices below, the greatest diversity (numbers of different species of organisms can be found in...?
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Insects
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Biodiversity enhances human food and security because it ....?
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Is a potential source of new food items or new genetic varieties of existing foods
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The field of conservation biology...?
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Attempts to integrate an understanding of evolution, ecology and extinction.
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Declining death rates due to increased food production and improved medical care while birth rates remain high is a characteristic of the_______ stage of demographic transition.
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Transitional
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Which of the fallowing factors drives TFR down?
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Social and economic security
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A population in post industrial stage of a demographic transition would be expected to have....?
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Birth and death rates and environmental impact
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