The major evolutionary episode corresponding most closely in time with the formation of pangaea was the

The major evolutionary episode corresponding most closely in time with the formation of Pangaea was the Permian Extinctions.

The Permian Extinctions happened around 300 million years ago and lasted for around 15 million years. It eliminated over 95 percent of water life and 70 percent of species on land. It was one of the largest extinctions in the history of Earth.

Region b indicates the occipital lobe

Gay-lussac's law i think.