Community Ecology - Basic Biology - Lecture Slides, Slides for Biology. Baddi University of Emerging Sciences and Technologies

Biology

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
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Chapter 54
Community Ecology
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Overview: A Sense of Community
A biological community is an assemblage of
populations of various species living close
enough for potential interaction
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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)
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Competition
Interspecific competition (–/– interaction)
occurs when species compete for a resource in
short supply
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