When calculating population growth rate, the symbol r refers to ________________.

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#Question id: 4628

#Section 2: Evolution

Which group is composed entirely of individuals who maintained that species are fixed (i.e., unchanging)?

A) Linnaeus

B) Lyell

C) Darwin

D) Aristotle

E) Cuvier

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#Question id: 4713

#Section 2: Evolution

A farmer uses triazine herbicide to control pigweed in his field. For the first few years, the triazine works well and almost all the pigweed dies; but after several years, the farmer sees more and more pigweed. Which of these statements explains why the pigweed reappeared?

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#Question id: 12149

#Section 2: Evolution

In a discrete-time population model, which of the following behaviours is associated when 1 < r < 2? 

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#Question id: 3470

#Section 2: Evolution

The alleles that cause uncles to care for nephews will spread, when cost value is 30, according to Hamilton’s Rule altruistic only only if the fitness benefit is

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#Question id: 11922

#Section 1: Ecology

Which of the following environmental features might influence microclimates?