New Mexico NM-ASR Science Grade 8 Practice Questions - New Mexico Assessment Of Science Readiness - Science, Grade 8 Exam

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In a sequence of rock layers, a fossil of species A appears in older layers, and a fossil of species B, which is similar in structure to species A, appears in younger layers above. Which is the best explanation?

Species B may be a descendant of species A, with changes that occurred over many generations Species A evolved into species B in one generation The two species are unrelated Species B is the ancestor of species A

Correct Answer:

Species B may be a descendant of species A, with changes that occurred over many generations

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