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1. Which of these is a disadvantage of negative feedback?

  • Delay in stopping response (overshoot)
  • Doesn't function in mild climates
  • Delay in starting response
  • Several mechanisms involved
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2. Which of these is not a mechanism of maintaining cell environment?

  • Maintain weight of products
  • Maintain electrolyte levels
  • Removal of toxic wastes
  • Maintain temperature

3. Which of these is not a control system?

  • Brain
  • Skeleton/musculative
  • Nervous system
  • Endocrine system

4. What are regulators?

  • maintaining constant internal state
  • maintaining internal state by avoiding external change
  • internal state matches external environment
  • Internal state is different to external environment

5. What are avoiders?

  • internal state matches external environment
  • Internal state is different to external environment
  • maintaining internal state by avoiding external change
  • internal state matches external environment

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