(c) Continental drift has affect the evolution of animals. Pangoa split apart in the triassic ** (245 to 208 million years ago) dividing landmass in gondwanaland and lavrasia. The rearrangement of landmass lead diversity among animals. Glacial ** helped int he evolution of many species as they provided a favourable condition for there growth. The eventual warning caused by accumulation of CO2, from volcano allowed melting of snow and triggered a cyanobacterial bloom and photosynthetic oxygen took place.