A mesotherm, however, will experience lower body temperatures and lower metabolic rates as ambient temperature drop.
2.
In addition, mesotherm body temperatures tend to rise as body size increases ( a phenomenon known as gigantothermy ), unlike endotherms.
3.
In his scheme, a mesotherm plant grew in regions where the warmest month had a mean temperature greater than 22 �C and the coldest month had a mean temperature of at least 6 �C.