WorksheetsThe History of Life on Earth Review
Total questions: 12
Worksheet time: 6mins
What is a fossil?
the preserved remains or traces of a once-living organism
when all members of a species die and the species no longer exists
the process of determining whether one rock, fossil, or event is older or younger than another
the process of determining the approximate age of a rock, fossil, or event
What is a mass extinction?
the preserved remains or traces of a once-living organism
when all members of a species die and the species no longer exists
the process of determining whether one rock, fossil, or event is older or younger than another
the process of determining the approximate age of a rock, fossil, or event
What is relative dating?
the preserved remains or traces of a once-living organism
when all members of a species die and the species no longer exists
the process of determining whether one rock, fossil, or event is older or younger than another
the process of determining the approximate age of a rock, fossil, or event
What is absolute dating?
the preserved remains or traces of a once-living organism
when all members of a species die and the species no longer exists
the process of determining whether one rock, fossil, or event is older or younger than another
the process of determining the approximate age of a rock, fossil, or event
You are hiking and looking at rock strata. Which layer is the youngest rock layer?
1
2
3
4
You are hiking and looking at rock strata. Which layer is the oldest rock layer?
1
2
3
4
Which statement is true?
The fossil in rock layer 1 is the same age as the fossil in rock layer C
The youngest fossil in this image is the fossil in rock layer 1
The fossil in rock layer 1 and rock layer A are the same age
Which statement is true about this image?
If a rock is 100% Uranium, it is an older rock.
If a rock is 100% Uranium, it is a newer rock.
You are walking in a desert and find a shark tooth fossil, what can be said about the past environment of this area?
It has always been a desert environment.
It used to be a mountain range.
It used to be an ocean.
How many mass extinctions are shown in this graph?
1
2
3
4
When was the number of marine groups at its lowest?
250 Million Years Ago
200 Million Years Ago
100 Million Years Ago
50 Million Years Ago
Which body part is most likely to become a fossil?
Hearts, lungs and eyeballs
Bones, shells and teeth
Skin, hair and nails
