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a false assumption that the presence of a pathogenic factor and a disease in a population can be accepted as proof that a particular individual is the cause of the disease.
In epidemiology, the erroneous attempt to determine an individual's specific risk of developing a disease from an analysis of the risk found in the study of a community or population.
emanating from or pertaining to ecology.
the state of balance in an ecosystem when its inhabitants have established their permanent relationships with each other.
bias following misinterpretation that ecological factors affect all individuals equally.
the naturally occurring changes in the environment, e.g. bushfires, floods, volcanic fallout, which leave it unbalanced with respect to the type and quality of the feed they provide.
the border between two ecosystems.
a pattern of interspersed ecosystems.
1. the position occupied by an organism in relation to other organisms and to the environment.
2. a particular part of an ecological environment in which a particular plant or animal species prospers. It is the set of terms, in relation to food and water supply and relationship with predators and disease and with competitors, by which the organism achieves its full biological potential.