Explain how the evolution of unique australian flora and fauna can be explained by changed environmental conditions following the break up of pangea

Explanation:

The interiors of continents have become less arid since the break up of Pangaea because of closer access to moist oceanic air. Increased area of coastal regions might also have opened up new habitat areas. The split of Pangaea is well documented in affecting clade dispersal and isolation of clades.

polar areas, such as antarctica or the south pole.