Controlling Population Size - WJEC

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

1. Which of the following is true about the exponential phase?

  • The population density stays the same
  • Bacterial cells divide at a constant rate
  • Nutrients have been used up
  • This rate of increase can be maintained indefinitely
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2. Population oscillations are regulated by a process called...

  • ...environmental resistance
  • ...negative feeback
  • ...carrying capacity
  • ...biological control

3. Which of the following is not a biotic factor?

  • Accumulation of toxic waste
  • competition
  • pH
  • Disease

4. Which of the following does not occur in the lag phase?

  • Enzyme synthesis
  • A species adapts to a habitat
  • Certain factors limit population gowth
  • There is a period of slow growth

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

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