Earth's Evolving Systems Earth's Evolving Systems, Second Edition Includes Navigate 2 Advantage Access history. Written from a 'systems perspective,' it provides coverage of the lithosphere, hydrosphere, atmosphere, and biosphere, and discusses how those systems interacted over the course of geologic time. The origins of the planet and life and its evolution are presented within the context of the major eras, including Proterozoic, Paleozoic, Mesozoic, Paleogene, and Neogene. No other resource captures the dynamism of our planet's fascinating history.