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13 Cards in this Set
- Front
- Back
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Parasitism |
Relationship 1 species withdraws nutrients from another species without immediately killing |
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Parasitoid |
Insect lays eggs in another insect and young devour their host from inside |
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Indicator species |
Species whose presence and abundance in community provide info about conditions in community |
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Intermediate disturbance hypothesis |
Species richness is greatest in community in which disturbances are moderate in magnitude and frequency |
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Primary succession |
New community becomes established in area where there was previously no soil |
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Pioneer species |
Species colonize a new habitat |
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Secondary succession |
New community established in site community previously existed |
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Endemic species |
Species found in region where evolved and nowhere else |
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Exotic species |
Species evolved in community and later became established in different one |
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Keystone species |
Species large effect on community structure relative to its abundance |
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Area effect |
Larger island receive more immigrants & have lower extinsenion rate than small ones |
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Distance effect |
Islands close to mainland receive more immigrants than those farther away |
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Equilibrium model of island biogeography model |
Predict number of species on an island based on the island area and distance from colonizing source |
