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Enviromental Science
Toward a sustainable future 11e
12
Science
Undergraduate 2
09/13/2011
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Term

 

 

Biosphere

 Definition

 

 

 

 

 

part of the earth's crust, waters, and atmosphere that supports life.
Term
Organism
 Definition
the branch of biology dealing with the relations andinteractions between organisms and their environment,including other organisms.
Term
Species
 Definition
the branch of biology dealing with the relations andinteractions between organisms and their environment,including other organisms.
Term
Population
 Definition
the total number of persons inhabiting a country, city, orany district or area.
Term

 

 

Biotic community

 

 Definition
a group of interdependent organisms inhabiting the sameregion and interacting with each other
Term
Abiotic
 Definition
of or characterized by the absence of life or living organisms.
Term
Ecosystem
 Definition
a system  formed by the interaction of a community of organismswith their environment.
Term
Biomes
 Definition

bi·ome

   [bahy-ohm] [image] Show IPA
noun Ecology .
a complex biotic community characterized by distinctive plant andanimal species and maintained under the climatic conditions of theregion, especially such a community that has developed to climax.
Term
Conditions
 Definition
Any factors that vary in space and time, but nthat are not used up or made unavailable to other species. These include temprature (extremes of heat and cold as well as average tempreture)
Term
Resources
 Definition
Are any factors -biotic or abiotic- that are consumed by organisms.
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