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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
Tertiary
B
Ordovician
C
Silurian
D
Quaternary
2) During the Pennsylvanian period, large tropical swamps extended across North America, eventually forming ____.
A
vast coal deposits
B
inland seas
C
mountain ranges
D
tropical rain forests
3) The most common Precambrian fossils (which also produced LOTS of oxygen!) are layered mounds of calcium carbonate called ____.
A
trilobites
B
prokaryotes
C
stromatolites
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 plants were wiped out by disease.
B
Dust from a meteorite collision blocked sunlight.
C
Huge dinosaurs overgrazed the plains.
D
The climate turned extremely dry.
7) The first truly large organisms on Earth were ____.
A
dinosaurs
B
trilobites
C
cephalopods
D
lobe-finned fish
8) Which title best describes the current geologic age?
A
age of reptiles
B
age of mammals
C
age of gymnosperms
D
age of fishes
9) Which of the following lists the divisions of the geologic time scale in order from longest to shortest?
A
era, period, epoch
B
period, era, epoch
C
epoch, period, era
D
era, epoch, period
10) About 87 percent of Earth's history is called the ____.
A
Cambrian
B
Precambrian
C
Paleozoic
D
Cenozoic
*select an answer for all questions
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