- Allee's principle
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The concept of an optimal population level where organisms flourish.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Competitive exclusion principle — In ecology, the competitive exclusion principle,[1] sometimes referred to as Gause s law of competitive exclusion or just Gause s law,[2] is a proposition which states that two species competing for the same resources cannot coexist if other… … Wikipedia
Scientific phenomena named after people — This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. NOTOC A* Abderhalden ninhydrin reaction Emil Abderhalden * Abney effect, Abney s law of additivity William de… … Wikipedia
Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… … Universalium
Malthusian growth model — The Malthusian growth model, sometimes called the simple exponential growth model, is essentially exponential growth based on a constant rate of compound interest. The model is named after the Reverend Thomas Malthus, who authored An Essay on the … Wikipedia
Ecology — For other uses, see Ecology (disambiguation). Ecology … Wikipedia
Microbial intelligence — (popularly known as bacterial intelligence) is the intelligence shown by microorganisms. The concept encompasses complex adaptive behaviour shown by single cells, and altruistic and/or cooperative behavior in populations of like or unlike cells… … Wikipedia
Depensation — In population dynamics, depensation is the effect on a population (or stock) whereby, due to certain causes, a decrease in the breeding population (mature individuals) leads to reduced survival and production of eggs or offspring. The cause may… … Wikipedia
Food web — A freshwater aquatic and terrestrial food web. A food web (or food cycle) depicts feeding connections (what eats what) in an ecological community. Ecologists can broadly lump all life forms into one of two categories called trophic levels: 1) the … Wikipedia
Mutualism (biology) — Hummingbird Hawkmoth drinking from Dianthus. Pollination is a classic example of mutualism. Mutualism is the way two organisms of different species biologically interact in a relationship in which each individual derives a fitness benefit (i.e.,… … Wikipedia
Ecological footprint — The ecological footprint is a measure of human demand on the Earth s ecosystems. It is a standardized measure of demand for natural capital that may be contrasted with the planet s ecological capacity to regenerate.[1] It represents the amount of … Wikipedia