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WorksheetsBiogeology
Total questions: 15
Worksheet time: 7mins
Which of the following is not on of the three main principles to explain how the Earth has evolved.
geographism
catastrophism
uniformitarianism
gradualism
Which of the following may help cause mass extinctions?
global warming
global cooling
asteroids striking the Earth
all of these
The rock and fossil record shows that...
all of the changes during Earth's history have been slow and gradual.
both gradual and sudden changes have occurred during Earth's history.
all of the changes during Earth's history have been very sudden.
the Earth has not changed very much over the course of its history.
In states along the Gulf of Mexico, fossilized seashells from millions of years ago are often found on land many kilometers from the shore. These fossils are evidence that...
the Gulf shoreline was farther out to sea in the past.
seashells are formed by land creatures.
the Gulf shoreline's location has not changed.
the Gulf shoreline was farther inland in the past.
A river continues to deepen and erode a canyon at a rate of a few milimeters per year. What geologic principle is this an example of?
geographism
catastrophism
uniformitarianism
gradualism
Identify which is the oldest geologic feature of the cross-section shown.
2
3
B
A
Identify which rock layer is the youngest.
4
5
6
1
Geologic processes that occur today are similar to those that occurred in the past.
uniformitarianism
catastrophism
superposition
correlation
Scientist who studies fossils
Botonist
Geologist
Paleontologist
Seismologist
Dying out of many species on Earth within a short period of time
Petrified
catastrophism
uncomformity
mass extinction
Idea that conditions and creatures on Earth change in quick, violent events.
lateral
index fossil
uniformitarianism
catastrophism
Preserved remains or evidence of ancient living organisms
index fossil
fossil
cast
petrified
Two students are exploring a creek in their neighborhood. In one area, the creek has exposed a layer of shale. What kind of environment might have once existed here to create that rock layer? (Mark the one best answer.)
A river
A coral reef
A swamp
A sandy beach
