Geological eras (Cenozoic): Which event characterizes the Cenozoic era? Think of biotic dominance and orogeny after the Mesozoic.

Concept/ApproachThe Cenozoic (66 Ma–present) is marked by mammalian radiation, angiosperm dominance, Himalayan uplift, and ultimately human evolution. Dinosaurs dominated the preceding Mesozoic; Gondwana assembly and trilobite abundance are Paleozoic features.

Final AnswerRise and diversification of mammals (including the appearance of humans)