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The diagram below shows undisturbed sedimentary strata at the bottom of an ocean. The fossils found in layer B resemble the fossils found in layer A. This similarity suggests that


The Diagram Below Shows Undisturbed Sedimentary Strata At Th...


Options:
A .   The fossils in layer B were formed before the fossils in layer A
B .   Modern forms of life may have evolved from earlier forms of life
C .   Vertebrate fossils are only found in sediments
D .   The fossils in layer A must be more complex than those in layer B
Answer: Option B
:
B

Speciation is the formation of new species from the pre-existing ones. Since the fossils are found in different layers of sedimentary rock, It is evident that older layer contains older species and the newer layers contain newer species. The newer species are formed by changes or modifications in the older species. Thus, the similarities of fossils suggests the evolution of new species from the pre-existing ones.



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