a type of genetic drift describing the loss of the allelic variation that accompanies founding of a new population from a very small number of individuals
What will be an ideal response?
bottleneck
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Which process transforms the sun's energy into heat, which is then used to produce electricity?
A. green roofs collectors B. photovoltaic fuel transformers C. electric solar converters D. direct solar conversion E. solar thermal systems
Japan's 55 nuclear power plants are susceptible to tsunami damage because they
A) fail to meet basic structural criteria for safety. B) are all located along coastlines for easy access to coolant water. C) use nuclear fuels that are water soluble. D) do not shut down either in response to the earthquakes or tsunamis.
Using the IPAT or ImPACT formula, which of the following would most likely reduce the environmental impact of a society?
A) Construction of industrial plants by wealthy nations to draw on cheaper labor B) The discovery of large reserves of fossil fuels within a nation's borders C) Increased use of electricity and natural gas by most members of a society D) Greater use of birth control by most members of a society
What is the most important erosional agent in deserts?
What will be an ideal response?