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Natural selection - O O
ANSWER the differential success (survival & reproduction) of individuals within the population t
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hat results from their interaction with their environment
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3 conditions of evolution by natural selection -
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OANSWER 1) Variation among individuals of heritable characteristics; must be able to pass on trai
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t
2) Inheritance of that variation to offspring
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3) The variation results in differences among individuals in fitness; i.e., differences in survival an
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d reproductive success of parent
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Allee effect - ANSWER reduction in reproduction or survival of a species when at low-
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population densities O
Integrated Pest Management - O O O
OANSWER The effective combination of three types of pest control to manage pest populations
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while minimizing environmental damage
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O Do not need to totally eradicate pest populations...
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O Combing ecological, biological, & chemical methods
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Biological pest control - ANSWER Using natural predators and parasites to manage pests
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Food accounts for ___ our ecological footprint (less in less developed countries) - ANSWER ~25%
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,How to maximize effects of pesticides and minimize environmental impacts? -
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ANSWER Use short-lived pesticides
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O Use pesticides that target only certain species
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Study life cycles of target pests to determine best time and place to use chemicals (which may b
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e never)
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Forms of hydrocarbons (3): - ANSWER crude oil (liquid)
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natural gas (gas) O O
coal (solid)O
The formation of oil is caused by: -
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ANSWER photosynthesis in the oceans, dead marine organic matter sinking, and anaerobic con
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ditions (anoxic) (aka lack of oxygen)
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The process of forming oil.... - ANSWER 1) sediments bury organic matter
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2) non-porous layers of rock or salt form "trap"
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3) pressure & heat (millions of years)
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Where is 1/2 of the 1.7 trillion barrels of global proven reserves? - ANSWER Middle East
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The US houses ___% of the 1 trillion barrels of oil. - ANSWER 4%
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varying costs of extraction of oil? - ANSWER $10 / barrel (Middle East)
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~ $36 / barrel (continental U.S.)
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Deepwater Gulf of Mexico oil had considerably lower economic costs
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What was the dominant form of energy until 1800's? - ANSWER Coal
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, Where was the first commercial well located in 1859? - ANSWER Titusville, PA
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When did crude oil become dominant? - ANSWER 1951
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When can we expect peak global production? -
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ANSWER Nobody knows when, but it WILL happen.
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Hubbert Curve - ANSWER M. King Hubbert (1950's) proposed oil exploitation follows a bell-
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shaped curve. Predicted peak in 1970
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Was Hubbert right? - ANSWER In 1970, the US continental peak happened
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OPEC - O
ANSWER The Organization of the Petroleum Exporting Countries, a group of 14 nations which c
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ollaboratively are largely responsible for global oil prices.
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In 1970, what did OPEC do? - ANSWER They restrained production in order to get higher prices.
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The oil embargo cut production ___% each month, and ____________exports to US. -
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ANSWER 5%, banned
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The oil embargo spurred 5 things: - ANSWER -Trans-Alaskan Pipeline
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-Strategic Petroleum Reserve O O
-Department of Energy (DOE) O O O
-national speed limit set at 55 mph O O O O O O
-cars to average 27.5 mpg by 1985
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