Butterflies are ectothermic organisms, meaning they rely on external sources to regulate their body temperature. They are poikilothermic, which means their body temperature fluctuates with the temperature of their environment.
Poikilothermic
homeothermic
In early studies dinosaurs are poikilothermic in new study shows dinosaurs are truly homeothermic
Reptiles are poikilothermic, poikilothermic means that they can not regulate heat internally.This is why they are cold blooded and need to bask in the sun regularly to maintain body temperature
they have long butts and intennas
Endotherm
if your islamic then yes they are homeothermic
Poikilothermic means cold blooded.
Homeothermic animals are organisms that do not let their core body temperatures fluxuate.
ectotherm
An ectotherm