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CPAC 9: Investigation into how temperature affects the rate of respiration using a respirometer10/11/2016 Objectives
Safety
Apparatus
Method
Results Evaluation
It would also be good to perform this experiment with larger organisms to see the differences in respiratory rates. However apparatus would be a great problem. Through research however I cam across a study by P. Spencer Davies in which he describes how to make a constant pressure respirometer for medium-sized animals: http://www.jstor.org/stable/3564785?seq=1#page_scan_tab_contents The method is simple. You simply use a constant pressure respirometer where the manometer is drilled from a solid block of perspex and in which the volumetric measuring devise is a standard micrometer head. This apparatus would have a wide mouthed chamber and therefore would be able to accomodate larger animals than conventional apparatus.
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