
GENERAL BIOLOGY 2_FINALS
Quiz by Michael Roque
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50 questions
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- Q1What is species diversity primarily concerned with?Genetic diversity within a populationThe number of species in a communityIndividual variation within a speciesEcosystem productivity30s
- Q2Which of the following is a key component of cladistics?Environmental adaptationGeographical distributionMorphological similarityBehavioral traits30s
- Q3In cladistics, what is used as a basis for classifying organisms?Fossil recordsChromosome numberGeographic locationEvolutionary relationships30s
- Q4What type of evidence is commonly used in establishing evolutionary relationships?All of the aboveBehavioral traitsGeographic distributionMolecular data30s
- Q5Which procedure is often used to determine the genetic relatedness among different species?DNA sequencingFossil analysisComparative anatomyEcological niche modeling30s
- Q6What is the main goal of cladistics in understanding evolutionary relationships?To determine the age of a speciesTo group organisms based on their geographical distributionTo identify common ancestors and shared traitsTo classify organisms based on physical appearance30s
- Q7Which of the following is a limitation of relying solely on morphological characteristics in cladistics?Morphological traits are not heritableEnvironmental factors play a minimal roleMolecular data is less reliableConvergent evolution can lead to misleading results30s
- Q8What is the purpose of constructing a cladogram?To illustrate the morphological diversity within a groupTo display the geographic distribution of speciesTo showcase the ecological roles of organismsTo represent the evolutionary relationships among species30s
- Q9Which evidence is most useful in resolving evolutionary relationships among closely related species?Fossil recordsMolecular dataBehavioral traitsEcological adaptations30s
- Q10What is a shared derived character in cladistics?A trait inherited from a common ancestorA characteristic unique to a particular speciesA feature present in all living organismsA trait acquired during an organism's lifetime30s
- Q11What distinguishes natural selection from artificial selection?Natural selection occurs in controlled environmentsNatural selection is a result of human interventionArtificial selection is random and uncontrolledArtificial selection is driven by environmental factors30s
- Q12Which mechanism of evolution is most likely to lead to random changes in allele frequencies within a population?MutationNatural selectionArtificial selectionGenetic drift30s
- Q13How does recombination contribute to genetic variation within a population?It introduces entirely new genes into the populationIt increases the frequency of beneficial mutationsIt shuffles existing genes to create new combinationsIt eliminates harmful mutations30s
- Q14In the context of evolution, what role do mutations play?Mutations are the primary source of genetic driftMutations introduce new genetic variationMutations eliminate genetic diversityMutations only occur in artificial selection30s
- Q15How does natural selection act on populations?By relying solely on human interventionBy introducing new genetic materialBy randomly altering allele frequenciesBy preserving and favoring traits that enhance survival and reproduction30s