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Geologic Time Scale Happenings 2
Test Description: Animals/important events in Geologic time
Instructions: Answer all questions to get your test result.
1) Which period makes up nearly all of the Cenozoic Era?
A
Quaternary
B
Silurian
C
Ordovician
D
Tertiary
2) During the Pennsylvanian period, large tropical swamps extended across North America, eventually forming ____.
A
vast coal deposits
B
mountain ranges
C
tropical rain forests
D
inland seas
3) The most common Precambrian fossils (which also produced LOTS of oxygen!) are layered mounds of calcium carbonate called ____.
A
prokaryotes
B
stromatolites
C
trilobites
D
chert
4) Which era is after the Precambrian?
A
Mesozoic
B
Cenozoic
C
Paleozoic
D
Tertiary
5) What is NOT evidence that links dinosaurs to modern birds?
A
they both lay eggs
B
presence of medulary bone in egg laying females in both dinosaurs and birds
C
both had feathers
D
both had gene for teeth
6) Why did many plants die at the end of the Mesozoic?
A
The climate turned extremely dry.
B
Huge dinosaurs overgrazed the plains.
C
The plants were wiped out by disease.
D
Dust from a meteorite collision blocked sunlight.
7) The first truly large organisms on Earth were ____.
A
lobe-finned fish
B
cephalopods
C
dinosaurs
D
trilobites
8) Which title best describes the current geologic age?
A
age of fishes
B
age of reptiles
C
age of gymnosperms
D
age of mammals
9) Which of the following lists the divisions of the geologic time scale in order from longest to shortest?
A
era, epoch, period
B
era, period, epoch
C
period, era, epoch
D
epoch, period, era
10) About 87 percent of Earth's history is called the ____.
A
Paleozoic
B
Cambrian
C
Precambrian
D
Cenozoic
*select an answer for all questions
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