Fossils

Front

What is a way an organism can become a fossil?

Back

amber

Front

What causes an unconformity?

Back

nondeposition and erosion

Front

Geologic column

Back

an arrangement of rock layers in which the oldest rocks are at the bottom

Front

What is an unconformity?

Back

a break in the geologic record created by erosion or nondeposition

Front

What type of unconformity is in the picture? Options: disconformity, nonconformity, angular unconformity, intrusion

Back

angular unconformity

Front

What type of disturbed rock layer is shown in the picture? Options: tilting, instrusion, folding, fault

Back

instrusion

Front

Which is an example of a trace fossil? Options: animal tracks, coprolite, burrows, all of the answers given here

Back

all of the answers given here

Front

What type of fossil is a mold?

Back

a cavity made by a shell (cake pan)

Front

What type of fossil is a cast fossil?

Back

a type of fossil that forms when sediments fill in the cavity (jello)

Front

What is an example of an index fossil?

Back

trilobites or ammonites