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18 Cards in this Set
- Front
- Back
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Place where an organism lives |
habitat |
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how an organism lives |
niche |
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2 species are competing for the same resources |
competitive exclusion |
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species that occupy similar niches but live in different geographical regions |
ecological equivalents |
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when organisms divide the niche |
niche partitioning |
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competition between different species |
interspecific |
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competition between one species |
intraspecific |
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living together |
symbiosis |
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number of individuals that live in a defined space |
population density |
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how individuals in a population are spaced |
population dispersion |
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diagram showing the number of surviving members over time from a measured set of births |
survivorship curve |
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4 factors that affect how populations grow |
immigration, births, emigration, deaths |
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any factor that can limit the growth of a population |
limiting factor |
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__________ regenerates or creates a community after a disturbance |
succession |
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________ _________ begins with bare rock |
primary succession |
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_____________ ___________ starts with soil and can be caused by natural disasters |
secondary succession |
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which type of succession takes longer? |
primary |
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how is primary succession different than secondary succession? |
primary starts life over completely |
