
Figure 27.6

-Applying the principle of parsimony to the trait "ability to fly," which of the two phylogenetic trees above is better?
A) Tree 1
B) Tree 2
C) Both trees are equally parsimonious.
D) Since the trees show different evolutionary relationships,you cannot determine which is more parsimonious.
E) Because Tree 2 correctly groups mammals,"ability to fly" is not a parsimonious trait to consider.
Correct Answer:
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