Figure 19.1 -Figure 19.1 Shows an Outcrop of Sedimentary Rock Whose Strata

Multiple Choice

Figure 19.1
-Figure 19.1 shows an outcrop of sedimentary rock whose strata are labeled A-D. If x indicates the location of fossils of two closely related species, then fossils of their most-recent common ancestor are most likely to occur in which stratum?

A) A
B) B
C) C
D) D