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GENERAL BIOLOGY 2_FINALS

Quiz by Michael Roque

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50 questions
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  • Q1
    What is species diversity primarily concerned with?
    Genetic diversity within a population
    The number of species in a community
    Individual variation within a species
    Ecosystem productivity
    30s
  • Q2
    Which of the following is a key component of cladistics?
    Environmental adaptation
    Geographical distribution
    Morphological similarity
    Behavioral traits
    30s
  • Q3
    In cladistics, what is used as a basis for classifying organisms?
    Fossil records
    Chromosome number
    Geographic location
    Evolutionary relationships
    30s
  • Q4
    What type of evidence is commonly used in establishing evolutionary relationships?
    All of the above
    Behavioral traits
    Geographic distribution
    Molecular data
    30s
  • Q5
    Which procedure is often used to determine the genetic relatedness among different species?
    DNA sequencing
    Fossil analysis
    Comparative anatomy
    Ecological niche modeling
    30s
  • Q6
    What is the main goal of cladistics in understanding evolutionary relationships?
    To determine the age of a species
    To group organisms based on their geographical distribution
    To identify common ancestors and shared traits
    To classify organisms based on physical appearance
    30s
  • Q7
    Which of the following is a limitation of relying solely on morphological characteristics in cladistics?
    Morphological traits are not heritable
    Environmental factors play a minimal role
    Molecular data is less reliable
    Convergent evolution can lead to misleading results
    30s
  • Q8
    What is the purpose of constructing a cladogram?
    To illustrate the morphological diversity within a group
    To display the geographic distribution of species
    To showcase the ecological roles of organisms
    To represent the evolutionary relationships among species
    30s
  • Q9
    Which evidence is most useful in resolving evolutionary relationships among closely related species?
    Fossil records
    Molecular data
    Behavioral traits
    Ecological adaptations
    30s
  • Q10
    What is a shared derived character in cladistics?
    A trait inherited from a common ancestor
    A characteristic unique to a particular species
    A feature present in all living organisms
    A trait acquired during an organism's lifetime
    30s
  • Q11
    What distinguishes natural selection from artificial selection?
    Natural selection occurs in controlled environments
    Natural selection is a result of human intervention
    Artificial selection is random and uncontrolled
    Artificial selection is driven by environmental factors
    30s
  • Q12
    Which mechanism of evolution is most likely to lead to random changes in allele frequencies within a population?
    Mutation
    Natural selection
    Artificial selection
    Genetic drift
    30s
  • Q13
    How does recombination contribute to genetic variation within a population?
    It introduces entirely new genes into the population
    It increases the frequency of beneficial mutations
    It shuffles existing genes to create new combinations
    It eliminates harmful mutations
    30s
  • Q14
    In the context of evolution, what role do mutations play?
    Mutations are the primary source of genetic drift
    Mutations introduce new genetic variation
    Mutations eliminate genetic diversity
    Mutations only occur in artificial selection
    30s
  • Q15
    How does natural selection act on populations?
    By relying solely on human intervention
    By introducing new genetic material
    By randomly altering allele frequencies
    By preserving and favoring traits that enhance survival and reproduction
    30s

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