Question

How and why does endothermy constrain minimum possible body size? How and why does ectothermy constrain maximum possible body size?

Answer 1

Endothermy a I mechanism internal heat and mammals. of of regulating temperature, reculatine temperature production , birde Ectothermy - me chanism of regulating temperature ; obtainey heat from sources outside the boody. Reptiles and lizards Endothery I waim - blooded allows the animal to remain active regardless of the ambient temperature, although at a high energy cost. size contraint Minimum bodys regulate difference & between ambient and body temat & insulation (feather feat efect, size o

cecto therms Cas generate a lettle bit of extra heat for respiration by muscle contractions less food energy used in respiration o more used for growth to can surnere longer without tood. . Meust less active in cold. Hey Mayority of ecto therms grow slower and mature at a large 'body size, in colder enveroment