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21 Cards in this Set
- Front
- Back
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fundamental niche
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full niche of a species
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realized niche
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portion of fundamental niche that is actually fulfilled
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resource partitioning
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species divide a resource by specializing in different ways
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character displacement
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species evolve physical characteristics that reflect their resource partitioning
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exploitation
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one organism exploits another for its own gain
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coevolution
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parasites and hosts evolve in response to each other
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symbiosis
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mutualistic or parasitic relationship between organisms
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amensalism
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one organism is harmed, the other is unaffected
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commensalism
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one organism benefits, the other is unaffected
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producers
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first trophic level (phytoplankton, grass)
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primary consumers
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second trophic level, consume producers (zooplankton, insects)
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secondary consumers
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third trophic level, consume primary consumers (fish, rodents)
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tertiary consumers
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fourth trophic level, consume other consumers (hawks, lions)
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detrivores
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consume waste products and dead bodies (soil insects)
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decomposers
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break down nonliving matter to be used by plants (fungi, bacteria)
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keystone species
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has a particularly strong or far-reaching impact
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resistance
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a community resists change and remains stable despite disturbance
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resilience
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a community changes in response to disturbance but later returns to original state
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primary succession
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community is built from scratch following complete destruction
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secondary succession
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community rebuilds following severe disturbance
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invasive species
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non-native species that invades a community
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