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A bear with a salmon. Interspecific interactions such as predation are a key aspect of community ecology.. In ecology, a community is a group or association of populations of two or more different species occupying the same geographical area at the same time, also known as a biocoenosis, biotic community, biological community, ecological community, or life assemblage.
The entire array of organisms inhabiting a particular ecosystem is called a community. The number of species making up such a community may vary from a myriad to a single species such as Desulforudis. In a typical ecosystem, plants and other photosynthetic organisms are the producers that provide the food. Ecosystems can be permanent or temporary.
A model of a biological system is converted into a system of equations, although the word 'model' is often used synonymously with the system of corresponding equations. The solution of the equations, by either analytical or numerical means, describes how the biological system behaves either over time or at equilibrium. There are many different ...
Miller considers living systems as a type of system. Below the level of living systems, he defines space and time, matter and energy, information and entropy, levels of organization, and physical and conceptual factors, and above living systems ecological, planetary and solar systems, galaxies, etc. [3] [4] [5] Miller's central thesis is that ...
Community (ecology) – Associated populations of species in a given area, or Biocoenosis – Interacting organisms living together in a habitat Species – Basic unit of taxonomic classification, below genus Population – All the organisms of a given species that live in a specified region Organism – Individual living life form
An ecosystem (or ecological system) is a system formed by organisms in interaction with their environment. [ 2 ] : 458 The biotic and abiotic components are linked together through nutrient cycles and energy flows.
A branch of ecology which studies the interactions between the species comprising an ecological community. Also called synecology. competition Organisms from the same or from different species competing with each other for food, living space, reproductive success, or any other limited resource; the most adapted individuals come out on top and ...
A biocenosis (UK English, biocoenosis, also biocenose, biocoenose, biotic community, biological community, ecological community, life assemblage), coined by Karl Möbius in 1877, describes the interacting organisms living together in a habitat . [1] The use of this term has declined in the 21st сentury.