Ecology of Communities
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Community | Two or more populations of different species occupying the same geographical area
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| • Community Ecology | The study of how different species interact within communities
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| • Habitat | The physical place where an organism lives, e.g. a pine forest or fresh water lake.
(Some organisms, particularly migratory birds require more than one habitat)
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| • Niche | The functional role of an organism in a community, its job or position
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| Potential niche | What a species could do with no competitors or resource limitations
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| Realized niche | The part of the fundamental niche that a species actually occupies in nature. (What a species really does due to competition and/or resource limitations)
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| • Neutral species interaction | Two species that don't interact at all.
?-?
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| • Commensalism | Beneficial to one species but neutral to another (birds that nest in trees, epiphytes (plants that grow on other plants)
:)-:|
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| • Mutualism | Beneficial to both species(plants and their pollinators)
:)-:)
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| • Parasitism | Benefits one species and is detrimental to another. (Note that the host is generally not killed)
:)-:(
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| • Predation | Beneficial to one species and detrimental to another. In this case the prey is killed and eaten.
:)-:(
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| Intraspecific competition | Competition among individuals of the same species
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| Interspecific competition | Competition between different species
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| The Theory of Competitive Exclusion | Species who utilize the same resources cannot coexist indefinitely - the "one niche, one species" concept.
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| Resource partitioning | The resources are divided, permitting species with similar requirements to use the same resources in different areas, ways and/or times.
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
bemcbee
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