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Chemistry LibreTexts

12.06 Week 12 Quiz

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    184368
  • cc_profilecc.exam.v0p1qmd_assessmenttypeExaminationqmd_scoretypePercentagecc_maxattempts1
    cc_profilecc.multiple_choice.v0p1The difference in the physical traits of an individual from those of other individuals in a group is called a(n)change.adaptation.species.variation.4100cc_profilecc.multiple_choice.v0p1Over time, adaptations can lead populations to experienceenvironmental changes.genetic changes.geologic changes.extinctions.6100cc_profilecc.multiple_choice.v0p1The development by scientists of a new color in a rose is the result ofnatural selection.artificial selection.descent with modification.overproduction.10100cc_profilecc.multiple_choice.v0p1In natural selection, the selective agent is thehumans.mutations.breeders.environment.16100cc_profilecc.multiple_choice.v0p1All the rabbits living in a particular area would be an example of a(n)population.species.fossil.individual organism.17100cc_profilecc.multiple_choice.v0p1A bird that can easily outcompete other birds for food and that can produce many eggs has a highlife expectancy.mutation rate.fitness.adaptability.23100cc_profilecc.multiple_choice.v0p1Which of the following describes natural selection?It acts on genetic material directly.It acts on existing physical traits.It forms new traits.It forms new genetic material.26100cc_profilecc.multiple_choice.v0p1Which of the following is an example of a vestigial structure?the wings of red-tailed hawksthe hind limbs of a house catthe fins of a sharkthe wings of an ostrich32100cc_profilecc.multiple_choice.v0p1What is suggested by the similarity of early embryos of different species of vertebrates?no evolutionary relationship between the groupsrecent common ancestrysimilar environments in the pastevolution from a distant common ancestor36100cc_profilecc.multiple_choice.v0p1Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known asvestigial structures.analogous structures.homologous structures.fossil structures.39100cc_profilecc.multiple_choice.v0p1If an organism has a vestigial structure, that structure likely once had a function in a(n)close relative.early ancestor.unrelated organism.embryological stage.42100cc_profilecc.multiple_choice.v0p1Two organisms that are closely related would havevery similar DNA sequences.exactly the same DNA sequences.no proteins in common.completely different DNA sequences.45100cc_profilecc.multiple_choice.v0p1Evolution is considered to be one of the most important theories in science, because itwas developed more than 100 years ago.is not supported by the fossil record.unites the fields of biology, geology, chemistry, and ecology.was discovered by Charles Darwin, a famous scientist.51100cc_profilecc.multiple_choice.v0p1Protein sequences in one organism that resemble those of another suggest acoincidence.lack of evolutionary relationship.great number of mutations.shared ancestry.56100cc_profilecc.essay.v0p1qmd_computerscoredNo<p><span style="font-size: 16px;">Compare and contrast homologous and analogous structures. What do they reveal about evolution?</span></p>100