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Exam 45: Community Ecology

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Question 41

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Classification.Respond to the following statements in reference to the five kinds of species interactions listed below. a.competition b.parasitoidism c.mutualism d.commensalism e.parasitism -Each species in a community has its own __________, or way of living.

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Question 42

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-Pioneer plant species are usually characterized by

A) small size.
B) high dispersal rates.
C) slow maturation.
D) high dispersal rates and high numbers of offspring
E) small size, efficient dispersal mechanisms, and slow maturation.

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Question 43

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An interaction in which one species benefits and the second species is neither harmed nor benefited is

Classification.Respond to the following statements in reference to the five kinds of species interactions listed below. a.competition b.parasitoidism c.mutualism d.commensalism e.parasitism -Each species occupies a certain __________characterized by physical and chemical features and by the array of other species living in it.

Classification.Respond to the following statements in reference to the five kinds of species interactions listed below. a.competition b.parasitoidism c.mutualism d.commensalism e.parasitism -When a tropical bird places its nest in association with a wasp nest on the same tree, the interaction is this.

An interaction between two species in which both species benefit is

MATCHING Matching.Choose the most appropriate answer for each. a.blending in and being hidden by the background b.where an organism is generally located in a community c.one organism benefits at another organism's expense d.traditionally a self-sustaining array of interacting organisms that is best suited for a particular environment e.lichens on newly hardened, newly cooled lava f.robins and human populations g.the yucca moth and the yucca h.one species is eliminated from an area of niche overlap i.tasty species resembles repugnant one j. the process that leads from a pioneer community to a mature community k.natural reforestation of burned-over forest -secondary succession

MATCHING Matching.Choose the most appropriate answer for each. a.blending in and being hidden by the background b.where an organism is generally located in a community c.one organism benefits at another organism's expense d.traditionally a self-sustaining array of interacting organisms that is best suited for a particular environment e.lichens on newly hardened, newly cooled lava f.robins and human populations g.the yucca moth and the yucca h.one species is eliminated from an area of niche overlap i.tasty species resembles repugnant one j. the process that leads from a pioneer community to a mature community k.natural reforestation of burned-over forest -commensalism

A keystone species

Use the figure above to answer the following questions.The graphs illustrate diversity patterns for ants (A) and breeding birds (B) . -Which graph shows that species diversity is much less at the equator than at 60 degrees north latitude?

Which of the following statements is NOT generally characteristic of parasites?