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