GEOG 2P13 Study Guide - Midterm Guide: Invisible Hand, Demographic Transition, High Standard Manufacturing Company

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6 Mar 2018
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Note: different organisms may compete for the same niche. A biogeochemical cycle is a circuit/pathway by which a chemical element moves through the biotic and the abiotic factors of an ecosystem. It is inclusive of the biotic factors, or living organisms, rocks, air, water, and chemicals: ecological succession-ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades (for example, after a wildfire), or even millions of years after a mass extinction. This is often referred to as the "invisible hand. " Chapter 3: source- a source is any process or activity through which a greenhouse gas is released into the atmosphere. Both natural processes and human activities release greenhouse gases: sink-a sink is a reservoir that takes up a chemical element or compound from another part of its natural cycle. This includes fuel that is both discovered and undiscovered, economically recoverable or not economically recoverable.