poikilothermic defined in 1951 yearpoikilothermic - poikilothermic;
poikilothermic - 'Cold-blooded1, but actually with varying body temperature, which approximately follows that of surroundings. Compare with: Homoiothermic. Characteristic of all animals except birds and mammals. Aquatic poikilotherms keep very close to temperature of surrounding water. Terrestrial ones may differ considerably from surrounding air, either cooling by evaporation, or heating by sun's radiation or muscular exercise.
near poikilothermic in Knolik
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