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Chapter 16 Vocab

Chapter 16: Human Impact on Ecosystems

TermDefinition
Nonrenewable Resource natural resources that are used faster than the rate at which they form
Renewable Resource natural resource that can be replaced at the same rate at which it is used
Ecological Footprint the amount of land necessary to produce and maintain enough food and water, shelter, energy, and waste
Pollution describes any undesirable factor, or pollutant, that is added to the air, water, or soil
Smog a type of air pollution caused by the interaction of sunlight with pollutants produces by fossil fuel emissions
Particulate microscopic bits of dust, metal, and unburned fuel, 1-10 microns in size, that are produces by many industrial processes
Acid Rain type of precipitation produces when pollutants in the water cycle cause rain pH to drop below normal levels
Greenhouse Effect occurs when carbon dioxide, water, and methane molecules absorb energy reradiated by Earth’s surface and slow the release of this energy from Earth’s atmosphere
Global Warming the trend of increasing global temperature
Indicator Species a species that provides a sign, or indication, of the quality of the ecosystem’s environmental conditions
Biomagnification pollutant moves up the food chain as predators eat prey, accumulating in higher concentrations in the bodies of predators
Habitat Fragmentation occurs when a barrier forms that prevents an organism from accessing its entire home range
Introduced Species any organism that was brought to an ecosystem as the result of human actions
Sustainable Development a practice in which natural resources are used and managed in a way that meets current needs without hurting future generations
Umbrella Species the specific species protection means a wide range of other species will be protected
Created by: SavanahT
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