Chapter 40 Review: How Humans Influence the Living World

Insecticides such as DDT are so damaging to predator populations because
1. of biological magnification <==== correct
2. top predators consume many plants (wrong)
3. DDT is targeted at the top predators (wrong)
4. prey animals are killed by DDT, and the predators starve (wrong)
5. they degrade into CFCs (wrong)
  Hint
Corn has been used to produce ethanol by which process?
1. acid precipitation (wrong)
2. under-exploitation (wrong)
3. nuclear transfer (wrong)
4. nuclear power (wrong)
5. fermentation <==== correct
  Hint
The greenhouse effect is caused by excess ________ in the atmosphere.
1. oxygen (wrong)
2. CFC (wrong)
3. ozone (wrong)
4. carbon dioxide <==== correct
5. DDT (wrong)
  Hint
Habitat loss of rain forest in Madagascar has led to the extinction of many of its endemic ________ species.
1. giraffe (wrong)
2. lion (wrong)
3. zebra (wrong)
4. hippo (wrong)
5. primate <==== correct
  Hint
Ozone depletion is caused by excess ________ in the atmosphere.
1. CFCs <==== correct
2. sulfur (wrong)
3. carbon dioxide (wrong)
4. plutonium (wrong)
5. nitrogen (wrong)
  Hint
Solar and wind energy are considered to be
1. renewable sources of energy <==== correct
2. greenhouse gases (wrong)
3. biomass fuels (wrong)
4. fossil fuels (wrong)
5. all of the above (wrong)
  Hint
Which of the following can cause acid precipitation?
1. CFCs (wrong)
2. coal-burning power plants <==== correct
3. a decrease in the ozone layer (wrong)
4. clear-cutting forests (wrong)
5. nuclear reactors (wrong)
  Hint