Give an overview of life through the Tertiary, in relation to changing Paleogeography and climate

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…if it was twice the size of any individual pack member. Also, a hierarchy could be organized in each of the social packs. This gave better communication, so the prey could be more easily killed. Apes adapted to Savanna to walk upright and also to the tropical forests. Plant life's pattern remained the same as every epoch's throughout the Tertiary. The cooler the climate, the more grass there was. And the Pliocene was certainly cool.