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5 Written questions

5 Matching questions

  1. habitat fragmentation
  2. biological extinction
  3. threatened species
  4. endangered species
  5. flyway
  1. a Breakup of a habitat into smaller pieces, usually as a result of human activities.
  2. b Species no longer found anywhere on earth; forever.
  3. c Generally fixed route along which waterfowl migrate from one area to another at certain seasons of the year.
  4. d Wild species that is still abundant in its natural range but likely to become endangered because of a decline in numbers.
  5. e Wild species with so few individual survivors that the species could soon become extinct in all or most of its natural range.

5 Multiple choice questions

  1. Minimum area of suitable habitat needed to maintain the minimum viable population. See minimum viable population.
  2. So few members remain that the species cannot maintain its ecological role, or members only survive in captivity.
  3. 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.
  4. 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.
  5. 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.

5 True/False questions

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

          

  2. bioinformaticsApplied science of managing, analyzing, and communicating biological information.

          

  3. keystone speciesSpecies that play roles affecting many other organisms in an ecosystem.

          

  4. population viability analysis (PVA)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.

          

  5. game speciesType of wild animal that people hunt or fish for, for sport and recreation and sometimes for food.

          

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