Homeostasis

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1. What is positive feedback?

  • Mechanism to create a rapid change from a set point in the opposite direction of ch
  • Mechanism to create a rapid change from a set point in the same direction of change
  • Mechanism to create a rapid change towards a set point in the same direction of ch
  • Mechanism to create a slow change from a set point in the opposite direction of ch
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2. Which of these is not a control system?

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

3. What is the advantage of homeostasis?

  • Allows only mammals to exploit wider ranges of environment
  • Allows some animals to exploit wider ranges of environment
  • Allows no animals to exploit wider ranges of environment
  • Allows all animals to exploit wider ranges of environment

4. What are avoiders?

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

5. Who devised the term Homeostasis?

  • Walter Cannon
  • Claude Bernard
  • Charles Darwin
  • Albert Einstein

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