The basic model of metapopulation dynamics predicts a shifting mosaic of occupied and unoccupied sites under which of the following combinations of extinction (E) and colonization (C) rates? 

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#Question id: 9214

#Section 2: Evolution

Researchers have been studying a rare population of 87 voles in an isolated area. Ten voles from a larger population were added to this isolated population. Besides having ten additional animals, what benefits are there to importing individuals?

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#Question id: 4723

#Section 2: Evolution

The most common cause of the pleiotropic effect of gene is due to

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#Question id: 12152

#Section 2: Evolution

When immigration from large, productive subpopulations keeps declining subpopulations from dwindling to extinction, the phenomenon is called the __________. 

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#Question id: 12459

#Section 1: Ecology

An example of an organism fitting a type I survivorship curve is:

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#Question id: 11245

#Section 1: Ecology

Monogamy is most prevalent among ______ and is rare among ________.