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Blood, the heart, circulation and respiration

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Question 18

An investigation was carried out to compare the rate of respiration in rainbow trout (Oncorhynchus mykiss) at different water temperatures.

  • Group A was kept in water at 20∘C20^\circ\text{C}20∘C
  • Group B was kept in water at 8∘C8^\circ\text{C}8∘C

Explain why the trout in Group A have a higher rate of oxygen consumption than those in Group B.

[2]

Blood, the heart, circulation and respiration Questions

  1. GCSE
  2. /Biology
  3. /Blood, the heart, circulation and respiration