you should have found that the oil drop moved towards the container in apparatus B . explain why this happened
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Explanation:
Living organisms take up oxygen from the air and use it for aerobic respiration.
We can measure the uptake of oxygen in a given time to work out the rate of respiration.
The equipment used is called a respirometer and the effect of changing the temperature on the rate of respiration can be investigated. Respirometers are used to measure the rate of respiration. The diagram shows equipment set up which is being used to measure the respiratory rate of an insect. The higher the rate of respiration, the more the coloured liquid moves. The experiment has a control with no insect in order to compare results.
A wide variety of living organisms can be investigated including insects, woodlice, maggots or germinating peas.
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