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Community Ecology - Basic Biology - Lecture Slides

Slides, Biology

Post: January 11th, 2013
Description
Its the important key points of Basic Biology are: Community Ecology, Sense of Community, Biological Community, Assemblage of Populations, Potential Interaction, Interspecific Interactions, Competitive Exclusion, Ecological Niches
Its the important key points of Basic Biology are: Community Ecology, Sense of Community, Biological Community, Assemblage of Populations, Potential Interaction, Interspecific Interactions, Competitive Exclusion, Ecological Niches
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Contents
• Community Ecology Chapter 54 Docsity.com Overview: A Sense of Community • A biological community is an assemblage of populations of various species living close enough for potential interaction Docsity.com Concept 54.1: Community interactions are classified by whether they help, harm, or have no effect on the species involved • Ecologists call relationships between species in a community interspecific interactions • Examples are competition, predation, herbivory, and symbiosis (parasitism, mutualism, and commensalism) • Interspecific interactions can affect the survival and reproduction of each species, and the effects can be summarized as positive (+), negative (–), or no effect (0) Docsity.com Competition • Interspecific competition (–/– interaction) occurs when species compete for a resource in short supply Docsity.com Competitive Exclusion • Strong competition can lead to competitive exclusion, local elimination of a competing species • The compe..

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