Assuming gas is required, the following results were found.
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Investigating factors affecting the breathing rate of a locust
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Gas balance in respiration and photosynthesis
of carbon dioxide and oxygen is essential to all elements of the community. In individual organisms, detailed analysis of gas exchange can give an insight into the chemical processes within the organisms. Experiments
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Measuring respiratory quotient
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Measuring the rate of metabolism
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Dissection of the ventilation system of a locust
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Investigating an enzyme-controlled reaction: catalase and hydrogen peroxide concentration
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Using a spirometer to investigate human lung function
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Investigating what makes fruit go brown
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Investigating factors affecting the rate of photosynthesis
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How do plants and animals change the environment around them?
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Observing blood circulation in Asellus
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Modelling the human ventilation system
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Going up in smoke
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Investigating the response of worms to soil improvers
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Investigating the light dependent reaction in photosynthesis
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Investigating the effects of biochar on soil fertility
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