Geologic Time Scale And Mass Extinctions Question Preview (ID: 18004)


Organization Of The Geologic Time Scale And Mass Extinctions. TEACHERS: click here for quick copy question ID numbers.

Good can come from mass extinctions even though organisms are wiped out.
a) true
b) false
c)
d)

Which of the following is not a cause of mass extinction?
a) climate change, global warming, sea levels rising, atmospheric changes
b) asteroid impacts, climate change, volcanic eruptions, atmospheric changes
c) atmospheric changes, global warming or cooling, earthquakes, asteroid impacts
d) volcanic eruptions, asteroid impacts, climate change, atmospheric changes

Which mass extinction is known as The Great Dying?
a) cretaceous
b) permian
c) triassic
d) devonian

When 50% or more of species on Earth go extinct in a short period of time.
a) extinction
b) mass wipe out
c) massive extinction
d) mass extinction

Which of the following is not a period on the geologic time scale?
a) jurassic
b) cretaceous
c) permian
d) precambrian

A species completely wiped out is a(n)
a) mass extinction
b) extinction
c) fossilization
d) sedimentation

Which of the following has the categories of the time scale in order from largest to smallest?
a) eon, era, period, epoch
b) epoch, period, era, eon
c) era, eon, period, epoch
d) period, eon, era, epoch

What are the three eras in order from youngest to oldest?
a) cenozoic, mesozoic, paleozoic
b) paleozoic, mesozoic, cenozoic
c) cenozoic, mesozoic, precambrian
d) paleozoic, cenozoic, mesozoic

Most of Earth's history occurred in what eon?
a) phanerozoic
b) precambrian
c) paleozoic
d) permian

What eon are we currently in?
a) precambrian
b) phanerozoic
c) quaternary
d) cenozoic

When reading a geologic time scale, which area on the scale represents the oldest time in history?
a) the top of the scale
b) the middle of the scale
c) the bottom of the scale
d) the right side of the scale

Which period are we currently in?
a) quaternary
b) permian
c) cenozoic
d) jurassic

Which era are we currently in?
a) quaternary
b) cenozoic
c) mesozoic
d) permian

Approximately how old is Earth?
a) 4.6 thousand years old
b) 4.6 billion years old
c) 4.6 million years old
d) 4.6 years old

What determines when a period starts or ends on the geologic timescale?
a) new period begins every 100,000 years
b) development of new landforms
c) changes in climate
d) major changes in life

What is the largest grouping on the geologic timescale?
a) period
b) era
c) eon
d) epoch

What is the name of the scale used to organize events in the Earth's history?
a) geographic time scale
b) geologic time scale
c) geofossil time scale
d) geography time scale

Mass extinctions are the only cause of a period stopping and a new period starting on the geologic time scale.
a) true
b) false
c)
d)

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 18004 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In
| Sign Up / Register