Australian ecotherms and endotherms

Australian ectotherms and endotherms A- TYPES OF TEMPERATURE REGULATION 1- The cat, human and platypus could be described as true endotherms, as they all maintain a relatively constant internal body temperature that is independent of the external temperature. As the environmental temperature rises from 5C to 40C, the humans body temperature remains constant, the cat's and the platypus' increases by around 3▫C. 2- The lizard and echidna are ectotherms as their body temperature fluctuates …

…heat loss by conduction<Tab/>No adaptations needed <Tab/>On land *Changing patterns of blood flow *cooling via evaporation of water *shivering<Tab/> Behavioural <Tab/>*Seeking shade, sometimes through use of burrows. <Tab/>*Sunbaking *seeking shade through use of burrows *being nocturnal, thus being active in cool of night. *hibernation - lizards = torpor, insects = diapause.