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Evolution Test ...

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  • Question 1
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    Which of the following is the correct sequence of evolution in vertebrates?

  • Question 2
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    Read the passage and answer the following question.

    This chart shows the relative abundance of different groups of echinoderms throughout geologic time. The width of the band indicates the number of species for each group.

    Identify the time periods showed a boom in all echinoderm groups?

  • Question 3
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    $$9$$ percent of all cicadas exhibit the homozygous recessive condition known as "flippant wings," the gene frequency for that gene in the general population is

  • Question 4
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    Directions For Questions

    The alleles T and t are present in a stable population showing Hardy-Weinberg equilibrium. The individuals with genotype TT and Tt can curl their tongue while those with tt cannot curl their tongue. The allele frequency of T is 0.8.

    ...view full instructions

    The percentage of individuals that can curl their tongues is

  • Question 5
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    Hardy-Weinberg principle states that, allele frequencies get change when evolutionary forces act on a population. Which of the following is not an evolutionary force?

  • Question 6
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    The diversification of an ancestral group of organisms into a variety of related forms specialized to fit different environments is known as

  • Question 7
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    In one of the genetic disorders affecting central nervous system, the homozygous recessive individuals (tt) are affected at an early age. Which of the following statements is correct for a fatal disease to be carried in a population?

  • Question 8
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    Directions For Questions

    The alleles T and t are present in a stable population showing Hardy-Weinberg equilibrium. The individuals with genotype TT and Tt can curl their tongue while those with tt cannot curl their tongue. The allele frequency of T is 0.8.

    ...view full instructions

    The percentage of heterozygotes is ________.

  • Question 9
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    Directions For Questions

    The given table shows seven different species identified by a scientist during the study of a field that had been burned in a brushfire ten years before. 
    Scientific NameGross FormMicroscopic FormStem FormColorReproduction
    Platismartia glaucaSheetlikeEukaryotic and prokaryotic filamentsNot applicableGreen on top while belowno evidence
    Funaria americanacushionlikeEukaryotic multicellularNot applicableGreen throughoutSpore-produced structures or stalks
    Dryopteris spinulosaroots, underground stems, compound leavesEukaryotic multicellularFleshyGreen leaves, white stem and rootsSpores on underside of leaves
    Picea rubensroots, stems, needle like leavesEukaryotic multicellularerect, woodygreen leaves, brown stem and rootscones
    Smilax herbacearoots, vine, broad leaveseukaryotic multicellularerect, herbaceousgreen leaves and stem, white rootsflowers
    Similax rotundifoliaroots, woody vine, broad leaveseukaryotic multicellularerectgreen leaves, brown stem and rootsnone evident
    Monotropa unifloraroots, stems, broad leaveseukaryotic multicellularerectwhite throughoutfruits

    ...view full instructions

    The simplest level of physical organisation is shown by

  • Question 10
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    Who was the first civilized man?

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