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- 1. Multiple Choice
Which of the following geologic time division is the youngest?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
- 2. Multiple Choice
Which of these was not in the Mesozoic Era?
Triassic Period
Silurian Period
Jurassic Period
Cretaceous Period
- 3. Multiple Choice
Which of the following statements is correct?
It is estimated that Earth formed approximately 4.6 billion years ago.
Geologic Time Scale outlines the life forms on Earth and Earth's geologic history.
The Phanerozoic Eon is subdivided into 3 eras the Palaeozoic, Mesozoic, and Cenozoic.
All of the above are correct.
- 4. Multiple Choice
What is the largest interval of geologic time scale?
Period
Epoch
Eon
Era
- 5. Multiple Choice
Eras are subdivided into shorter time division called ______________.
Eons
Periods
Epochs
Era
- 6. Multiple Choice
Periods are subdivided into shorter time division called ______________.
Eons
Eras
Period
Epochs
- 7. Multiple Choice
Which of the following is known as the age of dinosaurs?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
- 8. Multiple Choice
Which of the following is known as the age of mammals?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
- 9. Multiple Choice
The term _____________ means “ancient life”.
Mesozoic
Paleozoic
Cenozoic
Cambrian
- 10. Multiple Choice
The ____________ Era is known as the era of recent life.
Mesozoic
Paleozoic
Cenozoic
Cambrian
- 11. Multiple Choice
The geologic time scale is a record of the geologic events and the evolution of life forms as shown in the fossil record
True
False
- 12. Multiple Choice
Periods are subdivided into units of geologic time called eras
True
False
- 13. Multiple Choice
Scientists chose where units of geologic time began and ended based on major changes in ____________________ at certain times
volcanic activity
glacial retreat
life forms
human involvement
- 14. Multiple Choice
The Triassic, the Jurassic, and the Cretaceous Period occured in the ________________ Era
Cenozoic
Mesozoic
Paleozoic
Devonian
- 15. Multiple Choice
Put the 3 Eras in the Phanerozoic Eon into the correct order
Paleozoic, Cenozoic, Mesozoic
Cenozoic, Paleozoic, Mesozoic
Hadeon, Archaeon, Proterozoic
Paleozoic, Mesozoic, Cenozoic
- 16. Multiple Choice
Use the diagram to answer. Which rock layer is the newest?
A
B
C
D
- 17. Multiple Choice
Use the diagram to answer. Which rock layer has a fossil that is older than the fish fossil?
A
B
C
D
- 18. Multiple Choice
Preserved remains of plant and animals from the remote past are called _________.
fossils
ferns
trilobites
driftwood
- 19. Multiple ChoiceWhat war the earliest form of life?A fistA fernA one-celled organismA human being
- 20. Multiple ChoiceWhat is the final span of geologic time?Mesozoicthere is none - geologic time is ongoingthe modern periodthe post-Cenozoic epoch
- 21. Multiple Choice
Which is the correct order to time units from smallest to largest?
Epoch, period, era
Epoch, era, period
Era, period, epoch
Period, epoch, era
- 22. Multiple ChoiceWhat event marks the end of each geologic area?impact catastropheburst of new life formsmass extinctionice age
- 23. Multiple ChoiceThe dinosaurs died out ____million years ago.5712565250
- 24. Multiple ChoiceTrue or False: Geologists subdivide periods into eras.FalseTrue
- 25. Multiple ChoiceWhich division on the geologic time scale is the shortest?epocheraeonperiod
- Answer choicesTagsAnswer choicesTags