We live in the Cenozoic era, and scientists know more about this era and the epochs it’s divided into than any other time period. Why is this? A. We know more about the Cenozoic era because this is the only era that has had a wide diversity of species living on Earth. B. We know more about the Cenozoic era because this is the most recent time period in the history of the Earth, and we have more information available to study. C. We know more about the Cenozoic era because the planet’s poles reversed magnetic fields at the beginning of this era. D. We know more about the Cenozoic era because fossils don’t exist to document previous eras.
We live in the Cenozoic era, and scientists know more about this era and the epochs it’s divided into than any other time period. Why is this? A. We know more about the Cenozoic era because this is the only era that has had a wide diversity of species living on Earth. B. We know more about the Cenozoic era because this is the most recent time period in the history of the Earth, and we have more information available to study. C. We know more about the Cenozoic era because the planet’s poles reversed magnetic fields at the beginning of this era. D. We know more about the Cenozoic era because fossils don’t exist to document previous eras.
Chapter18: Life's Origin And Early Evolution
Section: Chapter Questions
Problem 15SA: Arrange these events in order of occurrence, with 1 being the earliest and 6 the most recent: ___1...
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We live in the Cenozoic era, and scientists know more
about this era and the epochs it’s divided into than any other time period. Why is this?
A. We know more about the Cenozoic era because this is the only era that has had a wide diversity of species living on Earth.
B. We know more about the Cenozoic era because this is the most recent time period in the history of the Earth, and we have more information available to study.
C. We know more about the Cenozoic era because the planet’s poles reversed magnetic fields at the beginning of this era.
D. We know more about the Cenozoic era because fossils don’t exist to document previous eras.
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