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1. What is acclimatisation?

  • Adaptation that alters negative feedback gradually
  • Adaptation that alters positive feedback quickly
  • Adaptation that alters positive feedback gradually
  • Adaptation that alters negative feedback quickly
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2. How does the Blue Crab compensate for low salt?

  • decrease internal salt levels
  • increases internal ammonia levels
  • increases internal salt levels
  • decreases internal ammonia levels

3. Which of these is not a mechanism of maintaining cell environment?

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

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

  • Several mechanisms involved
  • Delay in stopping response (overshoot)
  • Delay in starting response
  • Doesn't function in mild climates

5. What is extrinsic regulation?

  • Slow response through the whole body via interactions between organ systems
  • Fast response through the whole body via interactions between organs
  • Slow response through the whole body via interactions between organ systems
  • Fast response through the whole body via interactions between organs

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