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Ecology Chap 29
Global Climate Change
7
Biology
Undergraduate 4
12/17/2009

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Term
Greenhouse Effect
Definition
Warming of the Earth's surface and atmosphere due to the retention of heat by certain gases in the atmosphere.
Term
Greenhouse Gases
Definition
Water vapor
Carbon dioxide
Methane
Nitrous oxide
Ozone
Term
Anomaly
Definition
The difference between annual temperature for any given year and the average annual temperature for the period 1961-1990.
Term
General Circulation Models
Definition
Complex computer models of the Earth's climate system; predict increases in both temperature and precipitation.
Term
Diffusion
Definition
Spontaneous movement of particles of gases or liquids from an area of high concentration to an area of low concentration.
Term
Stomata
Definition
Pores in the leaf or stem of a plant that allow gaseous exchange between the internal tissues and the environment.
Term
Functional Type
Definition
Organisms that represent similarity of function.
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