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5 Written questions

5 Matching questions

  1. minimum viable population (MVP)
  2. habitat fragmentation
  3. game species
  4. species approach
  5. wildlife resources
  1. a Wildlife species that have actual or potential economic value to people.
  2. b Goal: 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.
  3. c 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.
  4. d Breakup of a habitat into smaller pieces, usually as a result of human activities.
  5. e Type of wild animal that people hunt or fish for, for sport and recreation and sometimes for food.

5 Multiple choice questions

  1. All free, undomesticated species. Sometimes the term is used to describe only free, undomesticated animal species.
  2. Wild species tamed or genetically altered by crossbreeding for use by humans for food (cattle, sheep, and food crops), pets (dogs and cats), or enjoyment (animals in zoos and plants in gardens).
  3. 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.
  4. 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. Use of mathematical models to estimate a population's risk of extinction.

5 True/False questions

  1. biological extinctionSo few members remain that the species cannot maintain its ecological role, or members only survive in captivity.


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


  3. late successional plant speciesMostly trees that can tolerate shade and form a fairly stable complex forest community.


  4. endangered speciesSpecies that is found in only one area. Such species are especially vulnerable to extinction.


  5. nonnative speciesSpecies that migrate into an ecosystem or are deliberately or accidentally introduced into an ecosystem by humans.