climatic, physiographic and edaphic, and biotic factors, or B; 

 direct, indirect, and remote factors, cf. Limiting factor. 



Ecological Indicator 



See Indicator. 



Ecological Longevity 



The average length of life of individuals of a population 

 under stated conditions, cf. Life-span. 



Ecological Niche 



See Niche. 



Ecological Pyramid 



See Pyramid of numbers. 



Ecological Race 



See Eco type. 



Ecological Sociology 



See Synecology. 



Ecological Structure 



See Structure. 



Ecological Succession 



See Succession. 



Ecological Valence 



See Ecological amplitude. 



Ecology 



The study of the interrelationships of organisms to one 

 another and to the environment, cf. Autecology, Synecology, 

 Bioecology, Sociology, Plant sociology. 



Ecophene 



See Ecad. 



Ecospecies 



A Taxon of plants consisting of one or more Ecotypes 



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