Some fish in a murky underground lake have lighter scales than the others. this makes it slightly harder for the lighter fish to escape detection by predators, but most light-colored fish live long enough to reproduce. a natural event separates the dark-scaled fish from their light-scaled cousins, and as a result, a new species of dark-scaled fish emerge. Which statement accurately describes the scenario? The fish survived because of an inheritable advantage. The fish experienced an evolutionary change because of genetic drift. The fish experienced an evolutionary change because of natural selection. The fish survived because of a non-genetic advantage

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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Some fish in a murky underground lake have lighter scales than the others. this makes it slightly harder for the lighter fish to escape detection by predators, but most light-colored fish live long enough to reproduce. a natural event separates the dark-scaled fish from their light-scaled cousins, and as a result, a new species of dark-scaled fish emerge. Which statement accurately describes the scenario?

  1. The fish survived because of an inheritable advantage.
  2. The fish experienced an evolutionary change because of genetic drift.
  3. The fish experienced an evolutionary change because of natural selection.
  4. The fish survived because of a non-genetic advantage.

 

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