Differences in domesticated animals over relatively short periods of time most likely occur through:
A. natural selection
B. artificial selection
C. adaptation
D. experimental selection
E. evolution
B
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Which of the following is not a way we can intentionally modify the genetic makeup of a cultivated species to protect it from herbivores?
A. crop breeding by manually making artificial crosses for desirable traits B. using bacteria to genetically introduce new genes to the plant C. importing new seed stock from other areas and crossing it with existing plants D. using viruses to insert novel defense genes into the plant E. spraying with chemical pesticides
A patient experiences pain and discomfort. These changes in the patient's body function are referred to as
A) signs B) symptoms C) syndromes D) infection
What are some of the benefits of transferring genes from one organism to another?
What will be an ideal response?
In the sigmoid growth curve, the carrying capacity of the environment is indicated by what symbol?
A. dN/dt B. ri C. N/K D. K E. N