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Ecology Concepts and Applications Study Set 2

Geology/Geography/Oceanography/Atmospheric Sciences

Quiz 4 :

Population Genetics and Natural Selection

Quiz 4 :

Population Genetics and Natural Selection

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Research conducted on the Glanville fritillary butterfly (Melitaea cinxia)can be summarized in all of the following statements except:
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Answer:

D

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In a population of birds,the average beak size is selected against and the large and small sized beaks are selected for.This is an example of
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Answer:

B

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For thousands of years,humans have bred domesticated plants and animals to produce and maintain desirable traits,such as large fruits.Darwin used which term to describe this:
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Answer:

B

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Adaptation to the environment by a population does not include
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The Hardy-Weinberg principle states that
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Hardy-Weinberg equilibrium equation:
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Which of the following are conditions necessary to maintain Hardy-Weinberg equilibrium?
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Evolution results from
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What results could Clausen,Keck,and Hiesey have expected to see if alpine,mid-elevation,and lowland populations of sticky cinquefoil (Potentilla glandulosa)were not genetically different?
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In a population of lizards,the average and long length tails are selected against and the short tails are selected for.This is an example of
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All of the following conditions are included in the Hardy-Weinberg equilibrium principle except:
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Within a population,if the average is selected for and the two opposing extremes are selected against,this is an example of
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The populations of Chihuahua spruce (Picea chihuahuana)have been fragmented due to changing climatic conditions.This has resulted in
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Locally adapted and genetically distinctive populations within a species are referred to as
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Darwin is often considered the father of evolutionary thought.Which of the following terms is/are not part of Darwin's analysis?
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Evolution can be defined as
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Research on soapberry bugs (Jadera haematoloma)supports all of the following results except:
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Which of the following is not part of Darwin's theory of natural selection?
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For a population in Hardy-Weinberg equilibrium,in a situation where there are only two alleles at a particular locus,the proportions of genotypes are: SS = 0.64,Ss = 0.32,and ss = 0.04.Calculate the allele frequency for the recessive allele.
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Over time,average phenotypes become less common and the population becomes phenotypically more diverse as a result of _____________ selection.
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