Stratospheric Ozone Depletion
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Questions and Answers

What happens to UVC and UVB radiation from the sun when ozone is present in the stratosphere?

  • They are prevented from reaching the Earth's surface (correct)
  • They are amplified and sent back to the sun
  • They are reflected back into space
  • They are converted into infrared radiation

    • What is the role of stratospheric ice crystals in the Antarctic winter?

  • They reflect UV radiation back into space
  • They absorb and store heat from the sun
  • They contribute to ozone degradation (correct)
  • They contribute to ozone formation

    • What is the effect of free chlorine on ozone in the stratosphere?

  • It reflects UV radiation back into space
  • It increases ozone formation
  • It catalyzes the conversion of O3 to O2 (correct)
  • It has no effect on ozone

    • What is the goal of the Montreal Protocol?

    <p>To reduce and phase-out CFCs</p> Signup and view all the answers

    What is the characteristic of HFCs that makes them a better alternative to CFCs?

    <p>They contain no chlorine and are powerful greenhouse gases</p> Signup and view all the answers

    What is the process by which some reradiated heat is trapped and emitted back towards the Earth's surface?

    <p>The Greenhouse Effect</p> Signup and view all the answers

    What is the primary function of the greenhouse effect?

    <p>To regulate the Earth's temperature</p> Signup and view all the answers

    Which of the following gases has a global warming potential of one?

    <p>Carbon dioxide</p> Signup and view all the answers

    What is the primary reason for the increase in greenhouse gases in the atmosphere?

    <p>Human activities</p> Signup and view all the answers

    What is the effect of rising sea levels on coastal populations?

    <p>It displaces them</p> Signup and view all the answers

    What is the term for the process by which corals expel their symbiotic algae due to warming ocean temperatures?

    <p>Coral bleaching</p> Signup and view all the answers

    What is the primary cause of ocean warming?

    <p>Increase in greenhouse gas emissions</p> Signup and view all the answers

    What is the effect of melting sea ice on species that depend on it for food and habitat?

    <p>It affects them negatively</p> Signup and view all the answers

    What is the term for the increase in the Earth's temperature over time?

    <p>Global warming</p> Signup and view all the answers

    What is the primary impact of climate change on ecological populations?

    <p>It affects them negatively</p> Signup and view all the answers

    What is the purpose of the Kyoto Protocol?

    <p>To limit greenhouse gas emissions</p> Signup and view all the answers

    What is the primary cause of ocean acidification?

    <p>Increase in atmospheric CO2</p> Signup and view all the answers

    What is the primary goal of the Magnuson-Stevens Fishery Conservation and Management Act?

    <p>To manage critical fish zones in federal waters</p> Signup and view all the answers

    What is the result of excess hydrogen ions in ocean water?

    <p>Dissolution of existing shells and skeletons</p> Signup and view all the answers

    What is the primary difference between K-selected and R-selected species?

    <p>K-selected species produce few young at a time, while R-selected species produce many young</p> Signup and view all the answers

    What is the term for the external factors that change the behavior and fitness of organisms within a new environment?

    <p>Active pressures</p> Signup and view all the answers

    What is the Delaney Act primarily aimed at protecting?

    <p>Endangered species</p> Signup and view all the answers

    What is the result of introducing a non-native species to control an invasive species?

    <p>Participation/consumption of non-target species</p> Signup and view all the answers

    How is percent loss calculated?

    <p>(initial - final) / initial × 100</p> Signup and view all the answers

    What is the primary goal of ecotourism in preventing extinction of large terrestrial animals?

    <p>To educate people about the ecological value of animals</p> Signup and view all the answers

    What is the primary reason why invasive species outcompete native species?

    <p>They can survive a wide range of abiotic conditions and habitats</p> Signup and view all the answers

    What is the primary consequence of habitat fragmentation on biodiversity?

    <p>Negative impact on biodiversity</p> Signup and view all the answers

    Which of the following is a result of climate change contributing to habitat loss?

    <p>Coastal inundation from melting land ice and permafrost</p> Signup and view all the answers

    What is the outcome of domestication on genetic diversity?

    <p>Reduction in genetic diversity</p> Signup and view all the answers

    What is a strategy to mitigate the negative effects of habitat fragmentation?

    <p>Creation of habitat corridors</p> Signup and view all the answers

    What is a way to expand a community for urban expansion while protecting wooded areas?

    <p>Clustered housing with green space in between</p> Signup and view all the answers

    What is a regulation that could be included in a development plan to protect bird species?

    <p>Tree preservation ordinances</p> Signup and view all the answers

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