Pangea Evolution
The evolution and adaptation of organisms to the gradually changing environment was indirectly affected by a physical change of Earth, climate change. 250 million years ago, the supercontinent of Pangea presented various problems concerning climate and the environment, due to its size. The southern areas of the supercontinent were cold and arid, and the majority of the region was frozen under ice caps. The north suffered from intense heat and fluctuations in the season. The conditions changed between dry and wet. These extremities caused organisms to evolve and adapt to the constantly changing climate and environment, in order to survive. Cold-blooded reptiles adapted to the differences in temperature. Early reptiles inhabited niches where