cold-blooded
Related Words
callousruthlessheartlessdispassionatecruelectothermiccompassionatewarmheartedendothermicmercifulkindreptileamphibianfishsnakelizardcrocodilefrogturtletemperaturemetabolismthermoregulationenvironmenthabitatsunbaskinghibernationestivationphysiologybiologyzoologyspeciespredatorpreyhuntinginstinctemotionlesscalculatedmurderexecutioncrimesociopathmalicedetachmentstoicismindifferencebrutalityviolenceremorseconscienceempathypitymercybloodveinheartpulsechillfrosticewinterclimateadaptationsurvivalevolutionorganismhomeostasisenergycalorieoxygen