BIOL 180 Chapter Notes - Chapter 18: Primary Production, Negative Feedback, Positive Feedback
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BIOL 180 Full Course Notes
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Rapid loss of species: global climate change / global warming. Global warming: increase in the average temperature of the planet. Global climate change: sum of all the changes in local temperature and precipitation patterns that result from global warming o. Weather: short-term, highly variable atmospheric conditions at a specific place and time o. Climate: long-term, average pattern of regional or global weather. Change is normal but rate of change is extreme due to human activities. Much of the heat that comes in is trapped by greenhouse gases and retained in the atmosphere o. Greenhouse gas: traps heat that has been radiated from earth and keeps it from being lost to space (greenhouse effect) o. How rapidly greenhouse gases are being produced is alarming. Even under the most conservative scenario, the average temperature will be higher than it has been over the past 5 mil years o.
