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Sem 1
Bio II
18
Biology
11th Grade
09/13/2011

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Term
Abotic Enviroment
Definition
the physcial, or non-living enviroment in which an organism lives.
Term
Autotroph
Definition
An organism that is capabel of producing its own food: also known as a producer
Term
Benthic Division
Definition
The division of the ocean enviroment composed of the ocean bottom
Term
Biogeochemicalcycles
Definition
A combination of biological, chemical and physical processes that recyle nutriets within the bioshphere
Term
Biotic Enviroment
Definition
The living portion of an organisms enviroment
Term
Chemosynthetic
Definition
having the ablility to use the energy from chemical reactions to construct organic food molecues
Term
Commensalism
Definition
A symbiotic realtionship in which one organism bemnefits while the other is neither harmed nor benefited
Term
competitive Exclusion
Definition
the process by which the less sucessful competior for a limited resoucre is driven to extinction
Term
Detritus
Definition
Organic matter such as animal wastes and bits of decaying tissue
Term
Ectotherms
Definition
an animal that botains most of its bou heatfrom its surroundings
Term
Endotherems
Definition
an animal that maintains its boyd temp by gernrating heat internally
Term
Heterotroph
Definition
An organism that relies on other organisms for food
Term
Homeostasis
Definition
an esplantaion for observed events that can be tested by esperiments
Term
Metabolism
Definition
the sum of all of the chemical reactions that occuring in living cells
Term
Mutulism
Definition
a symbotic realtionship in which boht organism benifits
Term
Pelage Division
Definition
The divison of the marine enviroment composed of the oceans water
Term
Symbiosis
Definition
An intimate living arragenment between two differnt kinds of organisms
Term
Theory
Definition
A boyd of obsercation and their experimental suports that have stood the test of time
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