Bernhard Rensch, for example, stated that evolutionary rates also depend on temperature : numbers of generation in poikilotherms, but sometimes also in homoiotherms ( homoiothermic ), are greater at higher temperatures and the effectiveness of selection is therefore greater.
2.
He also pointed out that exposure to irradiation including light is known to cause mutations in mammals, and that some homoiothermic animals have shorter generation times in the tropics, which-either separately or jointly-may explain the effect found by Gillman et al.
परिभाषा
of birds and mammals; having constant and relatively high body temperature पर्याय: homeothermic, homothermic,
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