KHS310 Community & Environment
Biomes
Regional ecosystems defined by biogeography and climatic characters
Natural Resources
Natural assets ready for use that can be drawn upon to take care of a need, such as water, wood, coal, and oil.
Retrogression
The reduction of diversity in an ecosystem
Biogecochemical Cycling
The natural process of converting inorganic to organic nutrients
Nonrenewable Resources
Natural resources that are considered finite in amounts; predicted to become scarce due to their rapid depletion
Ecology
The scientific study of the relations of living things to one another and to their environment
Human Ecology
The study of interactions between people and their environment
ZPG Zero Population Growth
When the population growth rates equal to or less than zero
Demographic Drift
The stabilization of population drift as the economy improves and standard of living increases
Pandemic
An epidemic extending beyond the confines of a wide area, typically a continent, such as HIV/AIDS; a widespread problem
Defoliants
A chemical agent used to kill plant growth
Cistern
Large receptacles for storing water, such as an underground tank
Adulteration
To make inferior, impure, by adding a harmful, less valuable, or prohibited substance
Pasteurization
A method of destroying disease-producing bacteria by heating the liquid to a prescribed temperature for a specified period of time
Risk Management
The process of deciding how and to what extent to reduce or eliminate risk factors by considering the risk assessment, engineering factors, social, economic, and political concerns
Risk
The possibility of injury, disease, or death
Impact
To have an effect; the power of an event to produce
Source
The starting point, person, place, or things by which something develops; the point by which something begins
Etiology
The science of causes or origins of a disease
Exposure
Contact by swallowing, breathing, or direct contact (such as through the skin or eyes). Exposure may be either short term (acute) or long term (chronic)
Severity
The harshness or intensity of an event
Scope
The range of extent of an action
Environmental Science
Concerned with identification and control of factors that affect health
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