Scientists find fish fossils in Rock Layers B and C of a canyon. The fossil found in Rock Layer B is similar to the fossil found in Rock Layer C.
a The two fossils are different species, because they are in layers that are next to each other.
b The two fossils are the same species, because they are in layers that are next to each other.
c The species in Layer C may have evolved from the species in Layer B.
d The species in Layer B may have evolved from the species in Layer C.
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Scientists find fish fossils in Rock Layers B and C of a canyon. The fossil found in Rock Layer B is...
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