WE have shown1–3 that the meting point of the molecular collagen of both homoeothermic land poikilothermic animals correlates with the upper limit of their range of preferred temperatures (the range of temperatures they will voluntarily tolerate in their natural environment). We now report that for some poikilotherms the lower limit of the range of preferred temperatures also correlates with certain thermal properties of their collagen.
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RIGBY, B., ROBINSON, M. Thermal transitions in collagen and the preferred temperature range of animals. Nature 253, 277–279 (1975). https://doi.org/10.1038/253277a0
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