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28 Cards in this Set
- Front
- Back
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What term describes the scenario in which members of the same species or two different species compete for access to common resources.
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competition
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What term describes the interaction where individuals from two species both benefit?
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mutualism
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What term describes the interaction where one species benefits and there is no effect on the other species?
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commensalism
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What term describes the interaction where one species is harmed and there is no effect on the other species?
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amensalism
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What term describes the consumption of one living organism (the prey) by another organism (the predator)?
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predation
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What classification of predator an animal who kills its prey immediately upon capture, consumes multiple prey organisms, and functions as an agent of mortality on prey populations?
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true predator
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What classification of predator consumes only part of the plant and usually does not kill the plant?
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most herbivores (e.g. grazers and browsers)
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What classification of predator feeds on the prey organism (host) while it is still alive, and their feeding activity is generally not lethal in the short term?
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parasites
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What classification of predator lays eggs on a host and when these eggs hatch, the larvae feed on the host, slowly killing it?
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parasitoids
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What is the source of density-dependent regulation on the mortality of the prey population?
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predator
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What is the source of density-dependent regulation on the birthrate of the predator population?
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prey
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True or false. The density of predators lags behind that of prey.
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true
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What term describes the process in which as prey species evolve ways to being caught, predators evolve more effective means to capture them?
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coevolution
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Name some evolved defenses animal pray have developed against predators?
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chemical defense; cryptic coloration (camoflauge); object resemblance (mimicry); warning coloration (aposematism)
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What defense includes colors and patterns that allow prey to blend into the camoflauge?
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cryptic coloration
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What defense includes mimicry common among insects?
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object resemblance
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What defense occurs when an edible species mimics the inedible species (the model)?
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Batesian mimicry
(e.g. butterflies and snakes) |
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What defense is the similar color pattern shared by many unpalatable or venemous species?
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Mullerian mimicry
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What defense may distract and disorient predators or it may serve as a signal to promote group cohesion?
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flashing coloration
(e.g. deer flashing white tail) |
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Animals that are toxic to predators or use other chemical defenses often possess _________________.
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warning coloration or aposetism
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What defense includes bold color patterns that serve to warn would-be predators?
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warning coloration or aposetism
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What defense includes shells or quills used by some animals for defense?
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protective armor
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What behaviorial defense produces offspring in a short period of time?
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predator satiation
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What form of predation includes an animal lying and waiting for prey to come along?
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ambush hunting
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What form of predation is a deliberate form of hunting with a quick attack?
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stalking
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What form of predation involves minimal search time but considerable pursuit time?
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pursuit hunting
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What are some ways in which plants can discourage feeding amongst predators?
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hairy leaves, thorns, and spines, chemical toxins
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What are chemical compounds produced by plants that either reduce the ability of herbivores to digest plant tissue or deter herbivores from feeding?
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secondary compounds
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