Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. Which of the following best describes a challenge in classifying organisms this way?
A. There are millions of species on Earth, and a cladogram is not a practical means for classifying all of them.
B. It is impossible to tell which organisms are most closely related to each other using a cladogram.
C. Cladograms are de
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