Ch.19,16,17 (Evolution DCA) Review
Quiz by Kate Downey
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- Q 1/61Score 0Do these common structures imply common ancestry?29NoYes
61 questions
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- Q1Do these common structures imply common ancestry?NoYes20s
- Q2A structure that seems to serve no purpose in an organism is called:fossilizedhomologousvestigialdichotomous20s
- Q3In science, theories are:absolute and unchangeablethe best explanation for a set of data or observationseducated guessa known fact30s
- Q4A group of mice becomes separated by the formation of a river. Over time, the northern mice became smaller and whiter, while the southern mice became larger and browner. This is an example ofdivergent evolutionlinagecoevolutionconvergent evolution30s
- Q5Any variation that can help an organism survive in its environment is called a(n):vestigial structurecompetitioncharacteristicadaptation30s
- Q6The strongest evidence for change over a long period of time comes from...direct observation of living speciesembryo studiesDNAfossils30s
- Q7Which of the following is NOT a component of the Theory of Evolution by Natural Selection?inheritance of acquired characteristicssurvival and reproductionvariation among speciescompetition for food and space45s
- Q8The finches on the Galapagos island were similar in form except for variations of their beaks. Darwin observed that these variations were useful for:defending territoryattracting a matebuilding nestsgathering food45s
- Q9In a certain population, disruptive selection is occurring. In this population, which is most likely to survive?organisms with average traitsorganisms that sexually selectorganisms that are smallorganisms with extreme traits45s
- Q10This picture illustrates what type of selection?sexualdirectionaldisruptivestabilizing45s
- Q11In a population of woolybeasts, individuals with long snouts tend to survive better on an island that has burrowing termites. Over time, the woolybeast population consists of individuals with extremely long snouts. This is an example of:directional selectionallopatric speciationstabilizing selectiondisruptional selection45s
- Q12Any characteristic that can help an organism survive and/or reproduce can be called a(n):genespeciesadaptationspecialization45s
- Q13Which of the following is NOT necessary for evolution to occur?all of these are necessarynonrandom matingmutationsvariation within the species45s
- Q14What model of evolution suggests that species stay the same for a long period of time, then change abruptly due to mutations in key genes?punctuated equilibriumgradualism45s
- Q15Darwin concluded that a few finches migrated to the Galapagos from the mainland. These finches gave rise to the many species of finches on the islands today. This is an example of:coevolutionconvergent radiationphyletic speciationadaptive radiation45s
