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Blood, the heart, circulation and respiration

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Question 9

A student investigated how temperature affects the metabolic rate of locusts. Because locusts are ectotherms, their body temperature is determined by the temperature of their surroundings.

The table below shows the results of this investigation:

Body temperature of the locust in °COxygen consumption in cm3\text{cm}^3cm3 per gram per hour
150.15
200.35
250.60
300.95

Explain why the body temperature of the locust affects its oxygen consumption.

[3]

Blood, the heart, circulation and respiration Questions

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