NS 3.1 (2/3)

Last updated over 2 years ago
17 questions
Investigating Mutant Fur Traits in the Sim
In the Sim activity that follows, you will investigate a low-fur population of ostrilopes with the trait distribution shown in the histogram below.
  • In the Sim, you will be able to turn on mutations for fur traits.
  • You will make the environment for this population cold.
  • Before you do this, study the histogram below and answer the questions that follow.
Think about which new traits would be adaptive and non-adaptive in a cold environment. Label any traits that would be adaptive with an A. Label any traits that would be non-adaptive with an NA.
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Think about which new traits would be adaptive and non-adaptive in a cold environment. Label any traits that would be adaptive with an A. Label any traits that would be non-adaptive with an NA.

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Are all traits that are introduced by mutations adaptive? Do you think non-adaptive traits can be introduced into a population through mutations? Why or why not?
CFS:
  • accurately identifies the traits in the environment
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

  • Open the Natural Selection Simulation and open the mode: Mutations and Traits.
  • Change the temperature of the environment to cold (Level 1) by moving the Temperature slider.
  • Turn ostrilope fur-trait mutations on by pressing the Ostrilope icon and pressing the Mutations toggle.
  • Press RUN and observe the population for at least 50 generations.
  • Press ANALYZE and use the Generations slider to carefully observe new traits in the population.
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  • Open the Natural Selection Simulation andopen the mode: Mutations and Traits.

  • Change the temperature of the environment to cold (Level 1) by moving the Temperature slider.

  • Turn ostrilope fur-trait mutations on by pressing the Ostrilope icon and pressing the Mutations toggle.

  • Press RUN and observe the population for at least 50 generations.

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What evidence do you have to explain how the traits you indicated in the above histogram were adaptive?
CFS:
  • accurately identifies the traits in the environment
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

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What evidence do you have to explain how the traits you indicated in the above histogram were non-adaptive?
CFS:
  • accurately identifies the traits in the environment
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

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What evidence do have to explain how non-adaptive traits can be introduced into a population?
CFS:
  • accurately identifies the how mutations impact a gene pool
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

Read the article: Not Just for Superheroes and answer the questions below. Be sure to code the text and provide annotations for each code. Two annotations per paragraph.
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What are genes?
CFS:
  • accurately identifies the central idea from the primary source of evidence
  • accurately describes the relationship between title and the source of evidence

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  1. What is a mutation?
CFS:
  • accurately identifies the how mutations impact a gene pool
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

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Do mutations often affect traits?
CFS:
  • accurately identifies the how mutations impact a gene pool
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

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Are mutations always good?
CFS:
  • accurately identifies the how mutations impact a gene pool
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

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How can mutations increase the chance of an organism’s survival?
CFS:
  • accurately identifies the how mutations impact a gene pool
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

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How have people combated bed bugs?
CFS:
  • accurately identifies the central idea from the primary source of evidence
  • accurately describes the relationship between title and the source of evidence

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How did the new method of eradicating bed bugs overcome the bed bugs' adaptive trait?
CFS:
  • accurately identifies the how mutations impact a gene pool
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

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Were all bed bugs killed with this new method? Why or why not?
CFS:
  • accurately identifies the how mutations impact a gene pool
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

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Describe the bed bug’s mutation.
CFS:
  • accurately identifies the how mutations impact a gene pool
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

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Summarize how the bed bug’s environment changed and the adaptive trait that was perpetuated as a result.
CFS:
  • accurately identifies the how mutations impact a gene pool
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment

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Did humans help or hinder their bed bug problem?
CFS:
  • accurately identifies the how mutations impact a gene pool
  • accurately describes the adaptive or non-adaptive nature of the traits in the environment