Copyright © 2009 Pearson Education, Inc. Active Lecture Questions for Biology: Concepts & Connections, Sixth Edition Campbell, Reece, Taylor, Simon, and.

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Copyright © 2009 Pearson Education, Inc. Active Lecture Questions for Biology: Concepts & Connections, Sixth Edition Campbell, Reece, Taylor, Simon, and Dickey Chapter 34 The Biosphere: An Introduction to Earth’s Diverse Environments

Copyright © 2009 Pearson Education, Inc. Concept Check The biosphere is a self-contained, patchy collection of ecosystems that is isolated in space except for 1)a constant source of energy from sunlight. 2)the loss of heat to space. 3)the occasional impact of space objects such as meteorites, comets and asteroids. 4)all of the above.

Copyright © 2009 Pearson Education, Inc. Answer The biosphere is a self-contained, patchy collection of ecosystems that is isolated in space except for: 4)all of the above.

Copyright © 2009 Pearson Education, Inc. Concept Check This image of the earth is simplified to help illustrate how the angle of sunlight affects the solar radiation at different latitudes. However, sometimes the simplifications create misunderstandings. What simplification in the image could most likely lead to a misunderstanding? 1)Continents are brown. 2)The earth’s axis is not tilted. 3)Sunlight is focused in spotlights. 4)There is no ice at the poles.

Copyright © 2009 Pearson Education, Inc. Answer This image of the earth is simplified to help illustrate how the angle of sunlight affects the solar radiation at different latitudes. However, sometimes the simplifications create misunderstandings. What simplification in the image could most likely lead to a misunderstanding? 2)The earth’s axis is not tilted.

Copyright © 2009 Pearson Education, Inc. Concept Check Identify what is wrong with the following statement: “If the climate in two geographically separate regions is similar, the same type of biome may occur along with the same assemblage of plants and animals.” 1)Biomes are not affected by climate. 2)Each continent has its own, unique biomes. 3)Geographically separate biomes share animal and plants with similar adaptations—usually not the same organisms. 4)Biomes are not geographically separate but instead are continuous.

Copyright © 2009 Pearson Education, Inc. Answer Identify what is wrong with the following statement: “If the climate in two geographically separate regions is similar, the same type of biome may occur along with the same assemblage of plants and animals.” 3)Geographically separate biomes share animal and plants with similar adaptations—usually not the same organisms.

Copyright © 2009 Pearson Education, Inc. Thinking Like a Scientist These figures represent climatograms—a record of the monthly averages for precipitation and temperature. Precipitation and temperature patterns help to determine the distributions of particular biomes. Which of the biome climates plotted above are from the Northern Hemisphere? 1)A. 2)B. 3)C. Temperature = red line Precipitation = green bars

Copyright © 2009 Pearson Education, Inc. Answer These figures represent climatograms—a record of the monthly averages for precipitation and temperature. Precipitation and temperature patterns help to determine the distributions of particular biomes. Which of the biome climates plotted above are from the Northern Hemisphere? 1)A. Temperature = red line Precipitation = green bars

Copyright © 2009 Pearson Education, Inc. Thinking Like a Scientist These figures represent climatograms—a record of the monthly averages for precipitation and temperature. Which of the biome climatograms would you expect to find associated with a temperate grassland? 1)A. 2)B. 3)C. Temperature = red line Precipitation = green bars

Copyright © 2009 Pearson Education, Inc. Answer These figures represent climatograms—a record of the monthly averages for precipitation and temperature. Which of the biome climatograms would you expect to find associated with a temperate grassland? 3)C. Temperature = red line Precipitation = green bars

Copyright © 2009 Pearson Education, Inc. Thinking Like a Scientist These figures represent climatograms—a record of the monthly averages for precipitation and temperature. Which of the biome climatograms record is closest to the equator? 1)A. 2)B. 3)C. Temperature = red line Precipitation = green bars

Copyright © 2009 Pearson Education, Inc. Answer These figures represent climatograms—a record of the monthly averages for precipitation and temperature. Which of the biome climatograms record is closest to the equator? 2)B. Temperature = red line Precipitation = green bars

Copyright © 2009 Pearson Education, Inc. Science and Society Mead’s milkweed is a rare and endangered plant found in remnant plots of tall-grass prairie. Near Lawrence, KS in the early 1990’s a landowner chose to plow a parcel of prairie he owned despite the fact that the prairie had Mead’s milkweed. His claim was that the endangered species act did not apply to private land holdings. Do you agree with the landowner that enforcement of the endangered species act should not apply to private holdings? Disagree Agree Strongly A B C D E Strongly

Copyright © 2009 Pearson Education, Inc. Science and Society Mead’s milkweed is a rare and endangered plant found in remnant plots of tall-grass prairie. Near Lawrence, KS in the early 1990’s a landowner chose to plow a parcel of prairie he owned despite the fact that the prairie had Mead’s milkweed. Local environmental groups were in the process of raising the money to purchase this property when he decided to go ahead and plow the land. Were his actions justifiable? Disagree Agree Strongly A B C D E Strongly

Copyright © 2009 Pearson Education, Inc. Science and Society Other populations of Mead’s milkweed have been found in other local prairies since the episode of the landowner plowing his land. In fact development has spread over some of the populations. Environmental groups in Lawrence have focused, instead on trying to save a wetland from a highway project. Should city planning be required to consider environmental impacts before granting development permits? Disagree Agree Strongly A B C D E Strongly