Term
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Definition
| warning coloration indicating to a predator that this prey is poisonous or highly defended against attack |
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Term
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Definition
| the mutual evolutionary influence between two species; each party in coevolutionary relationship exert selective pressures on the other, thereby affecting each others' evolution, back and forth |
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Term
| environmental heterogeneity |
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Definition
| variation in space in any environmental parameter such as soil pH or tree cover |
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Term
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Definition
| the change in the intake rate of a predator in relation to the density of its prey species |
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Term
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Definition
| predators that eat a great variety of prey species |
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Term
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Definition
| the time utilized by a predator to consume an individual prey |
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Term
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Definition
| the change in the numbers or density of a predator in realtion to the changes in density of its prey species |
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Term
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Definition
| the countour line of densities of predator and prey at which the prey are in equilibrium; the impact of a predator exactly balances the prey's rate of population growth, so the prey population growth rate is zero |
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Term
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Definition
| for animals, sites where prey individuals are able to avoid predation; for plants, sites where seeds can germinate and plants can grow |
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Term
What is the relationship between generalist
predators and prey and specialist predators
and prey? |
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Definition
Generalists stabilize prey number;
Specialists cause instability in prey
numbers |
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