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5 Written Questions

5 Matching Questions

  1. midsuccessional plant species
  2. wildlife resources
  3. habitat fragmentation
  4. adaptive radiation
  5. ecosystem approach
  1. a Wildlife species that have actual or potential economic value to people.
  2. b Breakup of a habitat into smaller pieces, usually as a result of human activities.
  3. c Process in which numerous new species evolve to fill vacant and new ecological niches in changed environments, usually after a mass extinction or mass depletion. Typically, this takes millions of years.
  4. d 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. e Grasses and low shrubs that are less hardy than early successional plant species.

5 Multiple Choice Questions

  1. All free, undomesticated species. Sometimes the term is used to describe only free, undomesticated animal species.
  2. Species found in the natural environment.
  3. Minimum area of suitable habitat needed to maintain the minimum viable population. See minimum viable population.
  4. So few members remain that the species cannot maintain its ecological role, or members only survive in captivity.
  5. 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).

5 True/False Questions

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

          

  2. 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.

          

  3. species approachGoal: 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.

          

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

          

  5. biological extinctionSpecies no longer found anywhere on earth; forever.

          

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