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SUMMARY
The results of experiments to determine the temperature relationships of the active rate of oxygen uptake in the whelk Bullia digitalis are reported. These are compared with previously published data on the temperature relationships of ‘inactive’ and controlled activity routine rates. At all levels of activity the rate of oxygen consumption of intact animals is markedly temperature independent over the range 10 to 20 °C. This contrasts with results gained on the oxygen uptake of whole body tissue homogenates, the latter being temperature dependent. Possible explanations for this difference are discussed and proposals made for further research on the control of metabolism in this species.
