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