Ryan A2 Biology

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  • Created by: m16654
  • Created on: 13-09-13 12:00
Ecosystem
All living organisms and all the non-living components in a specific habitat, and their interactions
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Habitat
the place where organisms live
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population
The proportion of a species ina one habitat
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aibiotic factors
The non-living factors in an habitat E.G weather . temprature
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biotic factors
the living factors that effects a ecosystem E.G predators
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Producers
An organisim that produces organic minerals from sun light energy E.G plants
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Consumer
An organisim that eats another organisim E.G anmials and birds
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Decomposer
An organism that breaks down dead or undigested material E.G bacteria , fungi
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trophic leval
A stage in the food chain ocupied by a specific species of organisms
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3 stage food chains
sun light > producer>primary consumer>secondary consumer >tertiary consumer
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Nirtogen fixation
is nirogen being absorbed by a bacteria called rhizobium and processed into amonium so it can be absorbed by plants
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Ammonification
is when nitroge compounds from dead organismis are turned itno amonium compounds by decomposers
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Other cards in this set

Card 2

Front

the place where organisms live

Back

Habitat

Card 3

Front

The proportion of a species ina one habitat

Back

Preview of the back of card 3

Card 4

Front

The non-living factors in an habitat E.G weather . temprature

Back

Preview of the back of card 4

Card 5

Front

the living factors that effects a ecosystem E.G predators

Back

Preview of the back of card 5
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