premise: All reptiles are ectothermic, which means that they rely on an outside source of heat to keep their body temperatures at a suitable level.
hypothesis: Reptiles are described by the term ectothermic, which means their internal temperature depends on the temperature of their environment.
hypothesis_graph_structure: Reptiles<>are described<>by the term ectothermic$$$the term ectothermic<>means<>their internal temperature depends on the temperature of their environment$$$their internal temperature<>depends<>on the temperature of their environment