Variations In Human Skin Color

16 Questions | Total Attempts: 103

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Color Quizzes & Trivia

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Questions and Answers
  • 1. 
    Resource #1 1. What are some traits that people share? Check three.
    • A. 

      Environmental factors like sunlight, temperature and food supply.

    • B. 

      Males and females have similar sexual characteristics with others of their gender.

    • C. 

      Relatives share similarities in appearance due to their common genetic make up.

    • D. 

      People with ancestors from the same regions of the world often share similar physical characteristics like skin, hair color, facial characteristics, body shape, and stature.

  • 2. 
    2. Besides genetics, what other factors can affect a person’s appearance and growth?
    • A. 

      Exposure to ultraviolet rays (UV) can darken or tan a person’s skin.

    • B. 

      Exposure to ultraviolet rays (UV) can alter genetic characteristics.

    • C. 

      Varying UV causes no impact.

  • 3. 
    3. Why do sub-Saharan Africans have the same dark skin color as many people in places like southern Asia and Australia? Pick two.
    • A. 

      Environmental factors

    • B. 

      Genetics

    • C. 

      Apparel opportunities

  • 4. 
    4. How has racial classification been used in North America? Choose three.
    • A. 

      They represent cultural differences in our society.

    • B. 

      They have been used to assign undisclosed information.

    • C. 

      They have been used to enlighten people's awareness.

  • 5. 
    5. Skin color a good way to classify people, because people respond to their __________________ adaptions. 
  • 6. 
    Resource #2 6. How does melanin determine skin color? Check three.
    • A. 

      Pheomelanin, which is red to yellow in color and is produced by those with light complexions

    • B. 

      Eumelanin, which is dark to black in color and is produced by those with dark-colored skin.

    • C. 

      Melanin causes increased radioactivity.

    • D. 

      People also differ in the number and size of their melanin particles.

  • 7. 
    7.  ________________________ serves as a shield for UV exposure. 
  • 8. 
    8. Besides melanoma, what other conditions does melanin shield against?
    • A. 

      Helps the eyes filter light.

    • B. 

      Helps the body clean bacterial impurities.

    • C. 

      Helps the body maintain healthy folic-acid levels.

  • 9. 
    9. Some shortwave ultraviolet radiation (UVB) exposure important.  What does vitamin D do to assist the body? Choose three.
    • A. 

      Helps in converting oxygen to blood cells.

    • B. 

      Helps the body absorb calcium.

    • C. 

      Helps the body absorb phosphorus.

    • D. 

      Helps in bone growth and repair.

  • 10. 
    10.  Historically, people with darker pigmented skin live with 20 degrees of the _______________________ .
  • 11. 
    Resource #3 11.  Jablonski and Chaplin concluded that modern humans most likely evolved in the __________________, where they were exposed to high UV levels.
  • 12. 
    12. In what way do Jablonski and Chaplin see skin color as “a balancing act”? Check two.
    • A. 

      Between dietary nutritional needs.

    • B. 

      Between the evolutionary demands of photo-protection

    • C. 

      Between the need to create vitamin D in the skin.

    • D. 

      Between the evolutionary demands of hunter gatherers.

  • 13. 
    13.  Eskimos in Alaska  have dark skin, beacuse their traditional _______________ is rich in fish and other seafood, which are high in vitamin D.
  • 14. 
    14.  Are dark-skinned people at an advantage or disadvantage in northern latitudes?
    • A. 

      Advantage

    • B. 

      Disadvantage

  • 15. 
    15.  DNA research has shown that genetically all humans, regardless of skin color and other surface distinctions, are basically the __________________ .
  • 16. 
    16.  Our and many other societies have developed elaborate systems of ________________ and _______________ based on perceived racial differences. 
    • A. 

      Privilage

    • B. 

      Respect

    • C. 

      Control

    • D. 

      Education

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