Geology Time Scale Question Preview (ID: 40222)


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During which era did mammals first appear?
a) Mesozoic
b) Paleozoic
c) Cenozoic
d) Precambrian

During which era did vertebrates first appear?
a) Mesozoic
b) Paleozoic
c) Cenozoic
d) Precambrian

Which of the following sequences the geologic time divisions in order from oldest to youngest?
a) Paleozoic, Precambrian, Cenozoic, Mesozoic
b) Paleozoic, Precambrian, Mesozoic, Cenozoic
c) Precambrian, Mesozoic, Cenozoic, Paleozoic
d) Precambrian, Paleozoic, Mesozoic, Cenozoic

Which geologic time division is the longest?
a) Cenozoic
b) Cambrian
c) Precambrian
d) Phanerozoic

Which period are we currently in?
a) Quaternary
b) Tertiary
c) Neogene
d) Jurassic

The disappearance of a species is known as:
a) extinction
b) evolution
c) migration
d) mutation

This provides information about the history of life on earth, and how organisms lived and evolved over time:
a) fossil data
b) fossil evidence
c) fossil record
d) fossil remains

This is known as the Age of the Mammals
a) Mesozoic Era
b) Holocene Epoch
c) Cenozoic Era
d) Neogene Period

Dinosaurs and reptiles were dominant during which era?
a) Cenozoic
b) Mesozoic
c) Paleozoic
d) Precambrian

Which is the most recent era of time and is the one we currently live in?
a) Mesozoic
b) Paleozoic
c) Cenozoic
d) Precambrian

Scientists chose where units of geologic time began and ended based on major changes in life forms at certain times.
a) True
b) False
c)
d)

Paleozoic, Mesozoic, and Cenozoic are all:
a) eons
b) eras
c) periods
d) epochs

Why is the fossil record incomplete?
a) fossils get eroded away over time
b) most organisms never became fossils
c) scavengers and decomposers ate them too quickly
d) all of the above answers are true

What type of rock do fossils form in?
a) Igneous
b) Sedimentary
c) Metamorphic
d) Both igneous and sedimentary

How old do scientists (Paleontologists) believe the Earth is?
a) 2017 years old
b) 3.8 billion years old
c) 4.6 million years old
d) 4.6 billion years old

The Law of Superposition helps scientists to determine what?
a) The absolute age of rock layers
b) the age of fossils
c) the relative age of rock layers
d) the super powers of rocks

Which of the following statements about the fossil record is true?
a) all organisms became fossils
b) organisms having soft body tissues make up the most fossils
c) all organisms that have shells became fossils
d) the fossil record is incomplete

The Geologic Time Scale is a record of what?
a) old geologists
b) sweet geology music
c) the known history of rocks and fossils
d) a complete fossil record

What was the name of the mass extinction that wiped out the dinosaurs at the end of the Mesozoic Era?
a) Cretaceous-Tertiary Extinction
b) The Big Bang
c) The Permian Extinction
d) The Cenozoic Extinction

What was the name of the super-continent that formed about 260 million years ago?
a) Eurasia
b) Rodinia
c) Pangea
d) Texas

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