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Name: ________________________________________ Block: _____ Date: _____/_____/_____ ENVIRONMENTAL SCIENCE Read Chapter 10, Section 3 in the textbook (pages 270 – 275). Fill in the blanks with a word or phrase that best completes each item. Chapter 10 – Section 3: The Future of Biodiversity I) Saving Species One at a Time A) Captive-Breeding Programs 1) Captive-breeding programs involve _____________________________________________________ __________________________________________________________________________________. 2) One example of a captive-breeding program involved the ___________________________________. (a) Habitat loss, poaching, and lead poisoning brought the species ____________________________. (b) In __________, there were only _____ remaining, but by __________ there were _____________ _______________________________________________________________________________. B) Preserving Genetic Material 1) Germ-plasm is ______________________________________________________________________ __________________________________________________________________________________. 2) Material may be stored as ____________________________________________________________. 3) Germ-plasm is usually stored in _______________________________________________________. C) Zoos, Aquariums, Parks, and Gardens 1) Some zoos house the few remaining members of a species and are perhaps its ___________________ __________________________________________________________________________________. 1 Name: ________________________________________ Block: _____ Date: _____/_____/_____ ENVIRONMENTAL SCIENCE 2) Zoos, wildlife parks, aquariums, and botanical gardens ______________________________________ __________________________________________________________________________________. D) More Study Needed 1) Saving a few individuals _____________________________________________________________. 2) Captive species may not ____________________ or ____________________ again in the wild. 3) Small populations are vulnerable to _____________________________________________________ __________________________________________________________________________________. II) Preserving Habitats and Ecosystems A) The most effective way to save species is to _________________________________________________. B) Conservation Strategies 1) One strategy is to identify areas of ______________________________________________________ __________________________________________________________________________________. 2) Another promising strategy is to ________________________________________________________ __________________________________________________________________________________. C) More Study Needed 1) Conservationists emphasize ___________________________________________________________ __________________________________________________________________________________. 2) Decisions affecting biodiversity ________________________________________________________ __________________________________________________________________________________. III) Legal Protection for Species A) Many nations have __________ and ______________________ designed to prevent the extinction of species. 2 Name: ________________________________________ Block: _____ Date: _____/_____/_____ ENVIRONMENTAL SCIENCE B) U.S. Laws 1) The Endangered Species Act is a law designed to protect ____________________________________ __________________________________________________________________________________. 2) USFWS stands for __________________________________________________________________. C) Recovery and Habitat Conservation Plans 1) Under the _______________ main provision of the Endangered Species Act, the USFWS must prepare a _______________________________________________________ for each listed species. 2) Attempts to restrict human uses of land can be _________________________. (a) Real estate developers may be ______________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________. (b) People may _________________________ when land uses are restricted and may object when their interests are ________________________________________________________________. 3) A habitat conservation plan is a plan that attempts to protect one or more species across large areas of land through _______________________________________________________________________. IV) International Cooperation A) IUCN stands for the ____________________________________________________________________ _____________________________________________________________________________________. 3 Name: ________________________________________ Block: _____ Date: _____/_____/_____ ENVIRONMENTAL SCIENCE 1) The IUCN facilitates efforts to ________________________________________________________. 2) This organization is a collaboration of almost __________ government agencies and over __________ private conservation organizations. B) International Trade and Poaching 1) CITES stands for the _________________________________________________________________ __________________________________________________________________________________. 2) The CITES treaty was the first effective effort to stop the __________________ of African elephants C) The Biodiversity Treaty 1) The Biodiversity Treaty’s goal is to _____________________________________________________ __________________________________________________________________________________. 2) Political groups in the U.S. objected to the treaty based on the suggestion that ___________________ and _______________ agreements should take into account any impacts on biodiversity. D) Private Conservation Efforts 1) The _____________________________________________ encourages the sustainable use of resources and supports wildlife protection. 2) The ________________________________________ has helped purchase millions of hectares of habitat preserves in 29 countries. 3) _____________________________________________ helps identify biodiversity hotspots and develop ecosystem conservation projects in partnership with other organizations and local people. 4) _____________________________________________ organizes direct and sometimes confrontational actions. V) Balancing Human Needs A) Sometimes, an endangered species represents a source of __________ or _______________. B) In other cases, a given species may not seem valuable to _______________________________________ _____________________________________________________________________________________. 4