ppl used the argument that when the temp of the environment increases, so does the temp of the ectotherm and hence deduce tat the answer for 6 is c. But this argument is only partially correct becos ectotherms do have adaptations tat allow them to maintain a relatively constant internal environment, eg some lizards can turn their skin brighter to reflect heat, which means that the organism would've lower temperature than the cage. so the observation that the organism has lower temperature than the cage also applies to ectotherms. the answer is D