Natural Selection- Accelerated Science

10 Questions | Total Attempts: 114

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Natural Selection- Accelerated Science - Quiz

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Questions and Answers
  • 1. 
    If a rock layer is labeled A, B, and C with A being on the top and C being on the bottom; which fossil would be the youngest?
    • A. 

      The one found in A

    • B. 

      The one found in B

    • C. 

      The one found in C

    • D. 

      All would be the same age

  • 2. 
    Which event listed below does not lead to fossil formation?
    • A. 

      Floods

    • B. 

      Forest fires

    • C. 

      Earthquakes

    • D. 

      Mudslides

  • 3. 
    The main idea of evolution states that
    • A. 

      The characteristics of organisms within a population change over time

    • B. 

      The characteristics of organisms can change during thier lifetime

    • C. 

      Only the best and strongest organisms survive

    • D. 

      Organisms can survive in any environment on Earth

  • 4. 
    The fossil record
    • A. 

      Only represents a small fraction of life that has existed on Earth

    • B. 

      Represents a complete record of all organisms that have lived on Earth

    • C. 

      Is a hoax developed by scientists

    • D. 

      Represents a moderate amount of the history of life on Earth

  • 5. 
    A continent is divided into 2 smaller land masses that drift apart from one another.  Which of the following would most likely result?
    • A. 

      Diversity of species on land decreases

    • B. 

      Diversity of species on land increases

    • C. 

      Diversity of species is water increases

    • D. 

      Diversity is not impacted

  • 6. 
    Which of these is NOT one of the three requirements for evolution to occur?
    • A. 

      More organisms are born than can survive

    • B. 

      All organisms are exactly the same as other organisms of their species

    • C. 

      There is variation of inherited traits amongst organisms

    • D. 

      Some organisms have a higher level of fitness than others in their environment

  • 7. 
    What does geographic isolation of the same species result in?
    • A. 

      Each group evolves according to its environment, resulting in two slightly different organisms, who often refuse to mate, and therefore are different species

    • B. 

      Neither group changes at all

    • C. 

      The two groups will refuse to be isolated and immediately attempt to return to the others

    • D. 

      Each one will desire to become the best it can be, and because they understand best to be different, end up being completely different and not entirely perfect species.

  • 8. 
    What determines an organism's fitness?
    • A. 

      How physically strong it is

    • B. 

      How much it changes to fit its environment within its life

    • C. 

      How well it can survive within its environment

    • D. 

      Where it fits in on the food chain

  • 9. 
    In the Trinidad guppies (Poecilia reticulata), natural selection may act differently in different locations of the waterfalls. Upstream of such waterfalls, guppies typically face only mild predation pressure from one small species of fish. Downstream of the waterfalls, however, populations of guppies are often under severe predation pressure from voracious predators such as the pike cichlid. What life history strategy would be favored by natural selection in the downstream waterfalls?
    • A. 

      Natural selection should now favor females that produce smaller offspring, since they wouldn't be eaten by predators

    • B. 

      Natural selection doesn't act differently on guppy populations in the high-predation and low-predation sites

    • C. 

      Natural selection favors females that can produce offspring that are relatively large and grow fast

    • D. 

      Natural selection favors females that produce as many offspring as possible, rather than producing larger and fewer offspring.

  • 10. 
    Which is NOT an example of natural selection?
    • A. 

      Butterflies that have designs on their wings that look like large eyes to scare off predators.

    • B. 

      Plants with flowers that have a sweet fragrance will attract a greater number of pollinators.

    • C. 

      Plants with thorns are more likely to be eaten by herbivores than other members of the same species that lack thorns

    • D. 

      Fruit fly larvae with an enzyme to break down alcohol are better able to feed on fermenting fruit than those that lack the enzyme

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