Exam 9: Geologic Time

Assume that a modern rabbit dies and becomes fossilized.Which of the following groups of animals would represent an accurate fossil assemblage to find with that rabbit?

A(n)________ is a type of unconformity with parallel beds above and below the erosional surface.

Which scientist is credited with developing the law of superposition?

The principle of ________ states that organisms succeed one another in a definite, determinable order that can be used to recognize a specific time period.

In cast and mold fossilization, the cast is the hollow space in the rock made when a fossil is buried in sediment.

When a shell is buried in sediment and subsequently dissolved, a cavity called a ________ is left behind.When this cavity is later filled with sediments, a ________ is created.

In what era is the Jurassic period?

Numerical dating is putting events in order from first to last.

The ________ period on the geologic time scale is a historic name that has now largely been replaced by the Paleogene and Neogene periods.

A black, organic residue of an ancient fern would be an example of which type of fossilization?