Controlling Population Size - WJEC

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  • Created by: Carrie
  • Created on: 14-03-14 22:24

1. Which of the following are ALL density dependant factors in mammals?

  • Disease, a fire, parasitism, overcrowding and depletion of food supply
  • Accumulation of toxic waste, disease, parasitism, overcrowding and depletion of food supply
  • diesease, overcrowding, insufficient light and depletion of food supply
  • Accumulation of toxic waste, disease, flooding, overcrowding and depletion of food supply
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2. Select the correct order of the following phases of population growth...

  • The exponential phase, The stationary phase, The lag phase and the death phase.
  • The lag phase, The exponential phase, death phase and the stationary phase
  • The lag phase, The exponential phase, The stationary phase and the death phase.
  • The lag phase, The stationary phase, the exponential phase and the death phase

3. Which of the following is not an effect of pest damage?

  • Competing with crop organisms for resources
  • Genetic mutation in crops
  • Feeding on crops and animals
  • Spoiling food

4. What is a Niche?

  • the ability of an organism to resist the effects of interspecific competition
  • an ecological role and space that an organism fills in an ecosystem
  • A type of egg based pastry
  • The reproductive capacity of one individual in an ecosystem

5. Select the term that decribes the maximum population size that can be supported by the available resources?

  • Osmoregulation
  • Population Density
  • Carrying Capacity
  • The set point

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