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5 Written questions

5 Matching questions

  1. ecosystem approach
  2. rare species
  3. late successional plant species
  4. flyway
  5. ecological extinction
  1. a Species that (1) has naturally small numbers of individuals, often because of limited geographic ranges or low population densities, or (2) has been locally depleted by human activities.
  2. b Goal: to protect populations of species in their natural habitats.
    Strategy: preserve sufficient areas of habitats in different biomes and aquatic systems.
    Tactics: protecting habitat areas through private purchase or government action; eliminating or reducing populations of nonnative species from protected areas; managing protected areas to sustain native species; and restoring degraded ecosystems.
  3. c Mostly trees that can tolerate shade and form a fairly stable complex forest community.
  4. d Generally fixed route along which waterfowl migrate from one area to another at certain seasons of the year.
  5. e So few members remain that the species cannot maintain its ecological role, or members only survive in captivity.

5 Multiple choice questions

  1. Convention on International Trade in Endangered Species. Lists (1) some 900 species that cannot be commercially traded as live specimens or wildlife products because they are in danger of extinction and (2) restricts international trade of 29,000 other species because they are at risk of being threatened.
  2. Species that play roles affecting many other organisms in an ecosystem.
  3. All free, undomesticated species. Sometimes the term is used to describe only free, undomesticated animal species.
  4. requires the federal government to protect actively each of the hundreds of species listed as endangered-regardless of the economic effect on the surrounding towns or region.
  5. Breakup of a habitat into smaller pieces, usually as a result of human activities.

5 True/False questions

  1. instrumental valueValue of an organism, species, ecosystem, or the earth's biodiversity based on its usefulness to us.

          

  2. wildlife managementWildlife species that have actual or potential economic value to people.

          

  3. species approachGoal: to protect species from premature extinction.
    Strategies: identify endangered species; protect critical habitats.
    Tactics: legally protecting endangered species; propagating endangered species in captivity; reintroducing species back into suitable habitats.

          

  4. wild speciesSpecies that (1) has naturally small numbers of individuals, often because of limited geographic ranges or low population densities, or (2) has been locally depleted by human activities.

          

  5. minimum dynamic area (MDA)Estimate of the smallest number of individuals necessary to ensure the survival of a population in a region for a specified time period, typically ranging from decades to 100 years.

          

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