Chapter 19 Endangered Species 485 Copyright Goodheart-Willcox Co., Inc. 19. A wildlife disease that can be transferred to human beings. 20. A wildlife population assessment method in which the researcher uses indirect signs of the species presence (scat, shelters, tree damage, ground damage) and does not count the animals themselves. 21. A wildlife population count performed in multiple areas in which some specimens may not be counted. 22. An initiative by the Association of Zoos and Aquariums (AZA) to breed animals with the greatest amount of genetic diversity possible. 23. An organism that eats a particular food and lives in a limited or exclusive area. 24. As per the USFWS, a species that is likely to become endangered in the foreseeable future throughout all or a signifi cant portion of its range. 25. A method of collecting information about organisms or environments from a distance using aircraft, satellites, or UAVs/drones. 26. Species of microorganisms, insects, fungi and plants whose presence or absence in an environment are used to assess the quality of an environment and how it changes. Know and Understand Answer the following questions using the information provided in this chapter. 1. True or False? Today’s extinction rate is lower than the natural background extinction rate. A. True B. False 2. Approximately how many species are identifi ed on the IUCN Red List as endangered or nearing extinction at this time? A. 26 B. 2600 C. 26,000 D. 260,000 3. Species facing an extremely high risk of becoming extinct are identifi ed as ______. A. extinct in the wild B. endangered C. critically endangered D. near threatened 4. Species facing a high risk of extinction in the wild are listed as ______. A. extinct in the wild B. endangered C. critically endangered D. near threatened 5. Species that are likely to become endangered unless action is taken to identify and correct factors that will likely lead to its demise are listed as _____. A. vulnerable B. endangered C. least concern D. near threatened 6. True or False? If a species is likely to become endangered in the foreseeable future, it is listed as threatened on the US Federal List of Endangered Species. A. True B. False 7. Which of the following contribute to the endangerment of a species? A. Unsustainable human population growth B. Habitat loss, degradation, and fragmentation C. Introduction of invasive species D. All of the above. 8. Which of the following occurs when a species is locally extinct and no longer found in an area it once inhabited but is still found elsewhere? A. Extirpation B. Exasperation C. Extraction D. All of the above. 9. True or False? Invasive species have little to do with species extinction. A. True B. False