During the miocene epoch of the Cenozoic era, there was an adaptive radiation of Apes. During the miocene, hominods radiated and dominate the primate world. The Miocene is a geological epoch that existed from roughly 24 million years ago to about 5.3 million years ago. During this period much of the continental Earth formed. The continents moved into positions that are recognizable in modern times, and flora and fauna evolved into species that exist today.
They speed up chemical reactions. Without them you wouldn't be alive. They break down macromolecules, and also lower the amount of energy needed for a chemical reaction to happen.
