The geosphere has four subsystems called the lithosphere, hydrosphere, cryosphere, and atmosphere. Because these subsystems interact with each other and the biosphere, they work together to influence the climate, trigger geological processes, and affect life all over the Earth.
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The animal’s anatomy is specifically evolved in and thus tied in with it physiology, thus affecting its interactions with the environment.
4.6 million years ago the earth had less green house gasses so the atmosphere was cooler rather than hotter.
