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Geology

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Term1/10
According to the principle of cross-cutting relationships an intrusive rock body is
Definition1/10

Younger than the rock it intrudes into

Term1/10
What are eras divided into
Definition1/10

The constituent time segments are epochs and periods, which are further divided into ages.

Term1/10
Why did amphibians diversify so rapidly during the late Paleozoic
Definition1/10

They had little competition from other land dwellers

Term1/10
All changes in the original shape and or size of a rock body are called
Definition1/10

Deformation

Term1/10
What likely contributed to the extinction that marks the end of the Mesozoic Era
Definition1/10

meteorite collision

Term1/10
What is the name of the doctrine that states the physical chemical and biological laws that operate today have also operated in the geologic past
Definition1/10

Uniformitarianism

Term1/10
Why did many plants die at the end of the Mesozoic Era
Definition1/10

Based on the popular theory that the dinosaurs went extinct due to the impact of a large asteroid, scientists think that the asteroid caused large amounts of debris to fly into the atmosphere, blocking out the sun. This caused global temperatures to drop, thus freezing the plants. In addition, without the sun the plants could not carry on photosynthesis, which caused them to die.

Term1/10
Which type of geologic event has to occur to create an angular unconformity
Definition1/10

The folding or tilting of rocks, followed by renewed deposition, has to occur to create an angular unconformity.

Term1/10
Which is a true statement about the process of accretion
Definition1/10

It enlarges continental landmasses and forms mountains along the edges of continents.

Term1/10
The boundaries of history of eras are marked by great worldwide changes in
Definition1/10

The boundaries of history of eras are marked by great worldwide changes in continental coastline

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Cards in this guide (10)
According to the principle of cross-cutting relationships an intrusive rock body is

Younger than the rock it intrudes into

What are eras divided into

The constituent time segments are epochs and periods, which are further divided into ages.

Why did amphibians diversify so rapidly during the late Paleozoic

They had little competition from other land dwellers

All changes in the original shape and or size of a rock body are called

Deformation

What likely contributed to the extinction that marks the end of the Mesozoic Era

meteorite collision

What is the name of the doctrine that states the physical chemical and biological laws that operate today have also operated in the geologic past

Uniformitarianism

Why did many plants die at the end of the Mesozoic Era

Based on the popular theory that the dinosaurs went extinct due to the impact of a large asteroid, scientists think that the asteroid caused large amounts of debris to fly into the atmosphere, blocking out the sun. This caused global temperatures to drop, thus freezing the plants. In addition, without the sun the plants could not carry on photosynthesis, which caused them to die.

Which type of geologic event has to occur to create an angular unconformity

The folding or tilting of rocks, followed by renewed deposition, has to occur to create an angular unconformity.

Which is a true statement about the process of accretion

It enlarges continental landmasses and forms mountains along the edges of continents.

The boundaries of history of eras are marked by great worldwide changes in

The boundaries of history of eras are marked by great worldwide changes in continental coastline

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