Biology Forums - Study Force

The Cretaceous is a(n)
 a. epoch.
  b. era.
  c. eon.
  d. period.

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[Ques. 2] The Paleozoic is a(n)
 a. epoch.
  b. era.
  c. eon.
  d. period.

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[Ques. 3] The Mesozoic is a(n)
 a. epoch.
  b. era.
  c. eon.
  d. period.

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[Ques. 4] The Cenozoic is a(n)
 a. epoch.
  b. era.
  c. eon.
  d. period.

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[Ques. 5] The Paleocene is a(n)
 a. epoch.
  b. era.
  c. eon.
  d. period.

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[Ques. 6] A number of epochs is called a(n)
 a. eon.
  b. period.
  c. millennia.
  d. era.

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[Ques. 7] Periods are divided into
 a. eons.
  b. epochs.
  c. millennia.
  d. eras.

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[Ques. 8] A group of periods is called a(n)
 a. epoch.
  b. millennia.
  c. era.
  d. eon.

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[Ques. 9] Eras are divided first into
 a. epochs.
  b. millennia.
  c. periods.
  d. eons.

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[Ques. 10] A group of eras are called a(n)
 a. eon.
  b. period.
  c. millennia.
  d. epoch.

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