The following questions refer to the figure below,which shows an outcrop of sedimentary rock whose strata are labelled A-D.

-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
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