Logically, which of these should cast the most doubt on the relationships depicted by an evolutionary tree?
A) None of the organisms depicted by the tree ate the same foods.
B) Some of the organisms depicted by the tree had lived in different habitats.
C) The skeletal remains of the organisms depicted by the tree were incomplete (in other words, some bones were missing).
D) Transitional fossils had not been found.
E) Relationships between DNA sequences among the species did not match relationships between skeletal patterns.

Question

Quizplus · Accepted Answer

DNA sequence comparison is considered the most reliable method for constructing evolutionary trees. If the relationships between DNA sequences among the species did not match relationships between skeletal patterns, it casts the most doubt on the accuracy of the evolutionary tree. The other options may affect the accuracy of the tree but to a lesser extent.

Logically, Which of These Should Cast the Most Doubt on the Relationships