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Chapter 18 - What is an endangered species, a threatened species (p.449)? Why should we care about bats (p.449)? Why do most biologists consider extinction rates of 0.1-1% to be conservative estimates (p.453)? What is the greatest threat to wild species (p.454)? What are the basic and secondary causes of depletion and premature extinction of wild species (p.455, Figure 18-5)? What are the three main problems caused by habitat fragmentation (p.455)? What is the problem with some introduced species (p.457)? What is the third largest illegal cross-border smuggling activity after arms and drugs (p.461)? What is the biggest threat to animals in Africa's Congo basin (p.461)? Why do environmentalists believe that the ban on commercial whaling should no be lifted (p.465)? Know that parrots are particularly threatened by the wild-bird trade (p.465). Which two groups of plants are especially endangered because they are gathered, sold to collectors, & used to decorate houses, offices, and landscapes (p.465)? What is CITES (p.466)? What is the good news about CITES, the bad news (p.466)? When was the Endangered Species Act passed & what does this act make illegal (p.466)? What do opponents of the Endangered Species Act contend (p.468)? How can the Endangered Species Act be made more scientifically sound and effective (p.469)? In the United States and other developed countries, what is most wildlife management devoted to (p.473)?
Chapter 12 - What is the troposphere (p.256)? How is stratospheric ozone produced (p.256)? Why is the presence of ozone in the stratosphere important (p.256)? What is air pollution (p.256-257)? What is photochemical smog & how is it formed (p.260)? What is the dominant chemical in smog (p.260)? What is the good news about the tall smokestacks used by most coal-burning power plants, ore smelters, & other industrial plants (p.263)? What's the bad news about tall smokestacks (p.263)? What secondary pollutants are formed as pollutants are transported downwind (p.263)? What is acid deposition (p.264)? In the United States, where & by what are the largest quantities of sulfur dioxide & other acidic pollutants emitted (p.264)? Where is acid deposition a particular problem in the United States (p.265, Figure 12-10)? How can acid deposition affect human health & aquatic ecosystems (p.265)? Why is controlling acid deposition a difficult political problem (p.268)? Be able to name at least three ways that acid deposition can be prevented (p.268, Figure 12-13). What are three deficiencies of the Clear Air Act of 1990 (p.273)?
Chapter 13 - What three human activities have emitted significant
amounts of greenhouse gases in the troposphere (p.283)? What are the 2
largest contributores of CO2 emissions (p.283)? What
is global warming (p.284)? What are some signs that the troposphere has
warmed during recent decades (p.285)? Where will the largest temperature
increases take place (p.290)? How could changes in climate & habitat
structure threaten plant and animal species (p.290)? Why will global warming
contribute to a rise in global sea level (p.290)? What will be the impacts
of rising sea levels (p.291)? What is the 'precautionary strategy' for
dealing with climate change (p.292)? What is the 'no-regrets' strategy
(p.292)? Be able to name at least 5 methods for preventing or slowing global
warming (p.293, Figure 13-15).
Why is the layer of ozone in the lower stratosphere
important (p.296)? What is the overwhelming consensus of researchers concerning
ozone depletion (p.297)? Why did CFC's seem to be 'dream chemicals' when
first discovered (p.297)? What were the conclusions of Rowland & Molina's
research (p.297)? How can ozone loss affect human health, wildlife (p.299,
Figure 13-22)? What is the scientific consensus of researchers concerning
ozone-depleting chemicals (p.301)? What is being done to reduce ozone depletion
(p.301)? Why is it so difficult to deal with the threat of global warming
(p.301-302)?