WorksheetsMass Extinction Quiz
Total questions: 13
Worksheet time: 39mins
Which eon represents the longest period of time?
Paleozoic
Mesozoic
Precambrian
Jurassic
Which of the following is the primary reason for using the geologic time scale?
An explanation of how the dinosaurs disappeared
Explain how Earth was formed 4.6 billion years ago
Measure how long North America has existed
Recognize major events that have occurred on earth.
What most likely caused the death of the dinosaurs?
An ice age
Volcanism
Humans
Asteroid Impact
How do scientists determine the number and length of time on the geologic time scale?
Based on important events in earth's history
Studying rocks in North America
Gathering information from databases
Based only on the time and distance that has passed
Identify which cause HAS NOT lead to a mass extinction globally.
Climate change
Hunting/Poaching
Global volcanic activity
Asteroid collision
Extinction is best defined as...
Complete loss or death of a species
An abnormally large amount of species die out simultaneously or within a short period of time
Change in global or regional climate patterns
Change in climate during which glaciers covered much of the Earth
Mass Extinction is best defined as....
Complete loss or death of a species
an abnormally large amount of species die out simultaneously or within a short period of time
Change in global or regional climate patterns
Change in climate during which glaciers covered much of the Earth
Climate Change is best defined as....
Complete loss or death of a species
An abnormally large amount of species die out simultaneously or within a short period of time
Change in global or regional climate patterns
A dinosaur gets a cold
The Ice Age is best described as.....
Complete loss or death of a species
An abnormally large amount of species die out simultaneously or within a short period of time
Change in climate during which glaciers covered much of the Earth
Change in global or regional climate patterns
Life during the Precambrian was complex and diverse, but life was small and simple in the Phanerozoic Eon.
True
False
Mass extinctions are theorized to have occurred due to asteroid impacts, volcanism, and climate change.
True
False
An asteroid is an irregular shaped rock that orbits the sun.
True
False
An extinction affects animals and not plant species.
True
False
