Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Slides prepared by Jay Withgott and Heidi Marcum Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings Ch 11 Biodiversity and Conservation Biology Part 2: Environmental Issues and the Search for Solutions

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Review Which level is NOT included in the concept of biodiversity? a)Species b)Genetics c)Ecosystems d)All of the above are included in this concept

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Review What happens when a species experiences “inbreeding depression”? a)The species becomes too large for the resource base b)Genetically similar parents mate and produce inferior offspring c)Genetically similar parents mate and produce superior offspring d)The number and variety of species increases

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Review According to the concept of “latitudinal gradient,” which of the following happens? a)Species richness increases towards the equator b)Species richness decreases towards the equator c)Species richness decreases over time d)Countries like Canada have many more species than expected

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Review Which of the following is the major cause of extinction? a)Invasive species b)Pollution c)Habitat loss d)Overharvesting

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Review Biodiversity does all of the following, except… a)Provide ecosystem services b)Decrease food security c)Maintain ecosystem function d)Provide aesthetic benefits

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Review According to the theory of island biogeography, which island would have the highest species richness? a)A large island, close to the mainland b)A large island, far from the mainland c)A small island, close to the mainland d)A small island, far from the mainland

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Review A “biodiversity hotspot” is…? a)An area located near the equator b)An area that supports few, but large, species c)An area that contains naturally high numbers of people d)An area that contains a large number of endemic species

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Weighing the Issues If a pharmaceutical company produces a medicine from a plant found in Costa Rica that will earn millions of dollars, who should reap the financial benefits? a)The company, because it produced the drug b)Costa Rica, because it had the plant that produced the drug c)Taxpayers, because they fund lots of research through their tax dollars d)Both the company and Costa Rica, because both played a vital part

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Weighing the Issues Have you ever personally experienced evidence of the biophilia hypothesis? a)Yes, I frequently feel a connection to other living things and nature b)Yes, sometimes, on a particularly lovely day c)Maybe, but I’m not sure d)Definitely not, unless I was earning money from using nature

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Interpreting Graphs and Data Where would ecotourists go to view the maximum species richness on these islands? a)Redonda b)Montserrat c)Puerto Rico d)Hispaniola

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings QUESTION: Interpreting Graphs and Data Which biome lost the most area by 195; which biome lost the most area in recent decades? a)Temperate grassland; tropical dry forest b)Desert; savanna c)Chaparral; tundra d)Temperate grassland; desert