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20 Cards in this Set
- Front
- Back
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population density |
individuals in a population/area they inhibit = population density |
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growth rate |
(birth + immigration) - (death + emigration) |
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What factors influence a population’s growth rate? |
Birth rate, death rate, immigration rate, and emigration rate. |
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exponentlal growth formula |
dN/dt = rN |
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S-shaped curve |
represents logistic growth of a population
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density-dependent |
factor that limits growth of population more strongly as the density of the population increases |
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density independent |
factor that limits the size of a population but does not act more strongly as the density of the population increases |
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commensalism |
(+/0) |
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exploitation |
(+/-) |
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competition |
(-/-) |
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net primary productivity (NPP) |
(amount of energy captured by photosynthesis)-(amount lost as metabolic heat) |
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fixed behavior |
predictable response to stimulus that doesn't involve learning, innate behavior |
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behavior types |
fixed, learned, habituation, social |
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behavioral mutualism |
q |
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symbiosis |
when 2 or more organisms of different species live together in close association
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pollinator mutualism |
q |
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seed disposal mutualism |
q |
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protection mutualism |
q |
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mutualism |
(+/+) |
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induced defenses |
q |
