🔥🦴🦺

#warm-blooded #endotherm #vertebrate #backbone #mammal classification #class mammalia

🦎🪨🌡️

#therapsid #synapsid #mammal-like reptile #endothermy #warm-blooded #prehistoric physiology #permian

🐾🧵🔥

#fur coat #hair covering #warm-blooded #endothermic #animal insulation

🦴🔥🥛

#mammal traits #vertebrate characteristics #warm-blooded #milk production #endoskeleton

🐦🔥➡️🥶✅

#avian physiology #warm-blooded #temperature regulation #cold adaptation #internal furnace

🐻🌡️🔥

#warm-blooded #homeostasis #internal temperature #thermoregulation #endothermic animal

🔥❤️🌡️

#warm-blooded #internal heat #body temperature #homeostasis #thermoregulation

🐻🐼🐨🦭

#furry animals #pelaje #mamíferos peludos #fur bearing #mammals #warm-blooded #land mammals