Multiple Choice
The following questions refer to Figure 19.1, which shows an outcrop of sedimentary rock whose strata are labeled A-D.
Figure 19.1
-Currently, two extant elephant species (X and Y) are placed in the genus Loxodonta and a third species (Z) is placed in the genus Elephas. Assuming this classification reflects evolutionary relatedness, which of the following is the most accurate phylogenetic tree?
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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