WorksheetsGeologic Time
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
What organism is responsible for building oxygen levels in the atmosphere?
a)
Humans
b)
Jellyfish
c)
Cyanobacteria
d)
Birds
2.
What is the longest division of time in Earth's history?
a)
Precambrian
b)
Mesozoic
c)
Paleozoic
d)
Cenozoic
3.
How are geologic time periods separated?
a)
Types of fossils and rocks found
b)
Geologic changes in rocks and landforms
c)
Types of lifeforms during certain periods
d)
All of the choices are true
4.
What % of Earth's History do we know little about?
a)
10%
b)
25%
c)
50%
d)
90%
5.
The following would be a great explanation why we know so little about a portion of Earth's history.
a)
The fossil record is incomplete for this time
b)
Dinosaurs ate all of the evidence for this time
c)
The Earth was covered in glaciers
d)
The Earth was completely covered in an ocean
6.
Which example timeline best represents Earth's history?
a)
Timeline A
b)
Timeline B
c)
Timeline C
d)
Timeline D
7.
What would be a good explanation of the progression of evolution of life throughout Earth's history?
a)
Early life was complex and advanced and stayed that way
b)
Early life was simple and became more advanced throughout history
c)
Early life was simple and remained that way throughout history
d)
Early life was very advanced and became more simple throughout history
8.
Which organism appeared first?
a)
Development of Fish
b)
Appearance of Humans
c)
First single-celled organisms (Cyanobacteria)
d)
Appearance of Jellyfish and Corals
9.
Which organism appeared first?
a)
Appearance of Humans
b)
Dinosaurs are the dominant life form
c)
Development of Fish
d)
Appearance of Jellyfish and Corals
10.
Plate tectonics may affect changes in a species because movement of plates causes a change in _____________.
a)
Environment
b)
Climate
c)
Earth's surface
d)
All of these choices are true
100 %
