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17 Cards in this Set
- Front
- Back
Fitness
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survival and reproductive success
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Semelparous
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reproduces once and usually produces many small offspring
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Iteroparous
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reproduces multiple times and produces a few large offspring.
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K-Selection
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Carrying Capacity
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r-selection
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rate of growth
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Density dependant selection
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-k-selection
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Density independant selection
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r-selection
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Metapopulation
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an assemblage of populations that are connected by immigration and emigration
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Source populations
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more offspring can coexist
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sink populations
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fewer offspring produced than can coexist ( numbers start to decline)
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Density dependant regulation
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-territoriality
-disease -competition for resources -predation/herbivory -intrinsic factors -toxic wastes |
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Territoriality
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having territories is beneficial for survival and/or reproduction
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Disease
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transmission rate increases with crowding
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Competition for resources
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increases with higher densities
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Predation/herbivory
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predator catches more individuals as density increases
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Intrinsic factors
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physiological and social factors
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Toxic wastes
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accumulate at high densities
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