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Glencoe Biology
The Dynamics of Life Chapter 5
15
Biology
9th Grade
10/11/2010

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Term
Biodiversity
Definition
The variety of species in a specific area
Term
Extinction
Definition
The disappearance of a species when the last of its members dies
Term
Endangered Species
Definition
When a species' numbers become so low that extinction is possible
Term
Threats to Biodiversity
Definition
-Habitat loss
-Habitat Fragmentation
-Edge Effect
-Habitat Degradation
-Exotic Species
Term
Habitat loss
Definition
The loss of habitats
Term
Habitat fragmentation
Definition
The separation of wilderness areas from other wilderness areas
Term
Edge Effect
Definition
The different conditions along the boundaries of an ecosystem
Term
Habitat Degradation
Definition
The damage to a habitat by pollution
Term
Exotic Species
Definition
Organisms that not native to a particular area
Term
Conservation Biology
Definition
The study and implementation of methods to protect biodiversity
Term
Natural Resources
Definition
Parts of the environment that are useful or necessary for living organisms
Term
Habitat Corridors
Definition
Protected strips of land that allow the migration of organisms from one wilderness to another
Term
Sustainable use
Definition
Strives to enable people to use natural resources in ways that will benefit them and maintain the ecosystem
Term
Reintroduction Program
Definition
Release of organisms into an area where the species once lived
Term
Captivity
Definition
An organism that is held by people
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