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Higher biology - Chapter 36
Glossary
8
Biology
Not Applicable
04/30/2011

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Term
biomass
Definition
The total weight of living matter present in a community
Term
climax community
Definition
Final colonisers of an environment that has been modified by plant succession
Term
edaphic factor
Definition
A physical, chemical or biological characteristic of a soil
Term
habitat modification
Definition
Unidirectional long term change to an environment caused by plant succession
Term
humus
Definition
Dead organic matter that is added to soil during plant succession
Term
pioneer community
Definition
First colonisers of an environment about to be modified by plant succession
Term
primary succession
Definition
Unidirectional progression from pioneer to climax community beginning on a barren uncolonised area
Term
secondary succession
Definition
Unidirectional progression from pioneer to climax community by colonisation of an area that has been colonised before
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