Which of the following statements best describes the advantage of sexual reproduction in organisms? It reduces genetic variation, which may be useful in the future.   It prevents adaptation in a changing environment.   It yields offspring with novel combinations of traits.   It eliminates the possibility of harmful traits being passed on.   tnf: Which of the following statements best describes the functions of villi and microvilli?     Villi and microvilli form the inner layer of epithelial tissue in the small intestine and increase the absorption of nutrients from chyme.   Villi and microvilli absorb food through the small intestine via smooth muscle contractions called peristalsis.   Villi and microvilli increase the surface area of the small intestine, which increases the absorption of nutrients by diffusion.   Villi and microvilli increase the surface area of the small intestine, which aids in the absorption of bile salts and vitamin B12.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Which of the following statements best describes the advantage of sexual reproduction in organisms?

  • It reduces genetic variation, which may be useful in the future.
     
  • It prevents adaptation in a changing environment.
     
  • It yields offspring with novel combinations of traits.
     
  • It eliminates the possibility of harmful traits being passed on.
     

    tnf: Which of the following statements best describes the functions of villi and microvilli?

     
     
    • Villi and microvilli form the inner layer of epithelial tissue in the small intestine and increase the absorption of nutrients from chyme.
       
    • Villi and microvilli absorb food through the small intestine via smooth muscle contractions called peristalsis.
       
    • Villi and microvilli increase the surface area of the small intestine, which increases the absorption of nutrients by diffusion.
       
    • Villi and microvilli increase the surface area of the small intestine, which aids in the absorption of bile salts and vitamin B12.
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