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Natural selection and speciation preassessment

Quiz by Ariana

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18 questions
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  • Q1
    What are naturally occuring differences among individuals within a species?
    Inheritance
    Struggle for Existence
    Variation
    Evolution
    30s
  • Q2
    What are naturally occurring differences that give some individuals an advantage in a particular environment?
    Adaptation
    Mutation
    Modification
    Variation
    30s
  • Q3
    Darwin thought that the beak shapes of the different finch species showed:
    That they had adapted to eating different types of food
    That they had no common ancestry
    That the finches wantd to look different from each other
    That they came from different islands
    30s
  • Q4
    In eukaryotes, variation between individuals of a species comes from these two sources:
    Diet and exercise
    Mutation and Mitosis
    Mitosis and Meiosis
    Mutation and Meiosis
    30s
  • Q5
    Which of the following does NOT provide evidence that living things have been evolving for millions of years?
    fossil record
    similarities in embryologial development
    homologous structures of living organisms
    variation in a species is the same over time
    30s
  • Q6
    What type of selection is this?
    Question Image
    Directional Selection
    Stabilizing Selection
    Disruptive Selection
    30s
  • Q7
    What type of selection is this?
    Question Image
    Stablizing Selection
    Disruptive Selection
    Directional Selection
    30s
  • Q8
    What type of selection is this?
    Question Image
    Stabilizing Selection
    Directional Selection
    Disruptive Selection
    30s
  • Q9
    What type of isolation is described as populations that do not mate because of an incompatibility of the male and female sex organs of the individuals?
    Gamete Isolation
    Mechanical Isolation
    Sexual Isolation
    Geographical Isolation
    30s
  • Q10
    What is Geographical isolation?
    Incompatible gametes
    Hybrids do not survive or reproduce
    Breeding seasons are different
    Different populations are separated by or occupy a slightly different niche
    30s
  • Q11
    Which isolation is described as one or both sexes of a species initiating mating behavior that does not act as a stimulus to the opposite sex of a related population?
    Hybrid Sterility
    Sexual Isolation
    Mechanical Isolation
    Gamete isolation
    30s
  • Q12
    What is seasonal isolation?
    different populations occupy a different niche
    the breeding season of two closely related populations do not match
    hybrids do not survive or reproduce
    incompatibility of sex organs
    30s
  • Q13
    Which isolation occurs when there is an incompatibility of sex cells?
    Mechanical Isolation
    Temporal Isolation
    Gamete isolation
    hybrid sterility
    30s
  • Q14
    What is hybrid sterility of infertility?
    hybrids do not survive or reproduce
    different breeding season
    different mating behavior
    incompatibility of sex organs
    30s
  • Q15
    When a natural disaster, such as a fire occurs, what does it do to the biodiversity of that ecosystem?
    decreases biodiversity
    nothing
    increases biodiversity
    30s

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