Which statements about K are correct?

I) K varies among populations.

II) K varies in space.

III) K varies in time.

IV) K is constant for any given species.

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#Question id: 8911

#Section 2: Evolution

The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?

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#Question id: 12264

#Section 2: Evolution

You discover several species of unpalatable insects that closely resemble each other. You propose that this is an example of __________ mimicry. 

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#Question id: 10850

#Section 1: Ecology

A parasite that resides within its host is a(n)

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#Question id: 12151

#Section 1: Ecology

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: 4570

#Section 2: Evolution

Which pair would probably have agreed with the process that is depicted by this tree?