section 4 looking at FOSSILS Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

the remains or physical evidence of an organism preserved by geological processes

A

fossil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

a fossilized mark that is formed in soft sediment by the movement of an animal

A

trace fossil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

a mark or cavity made in a sedimentary surface by a shell or other body

A

mold

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

a type of fossil that forms when sediments fill in the cavity left by a decomposed organism

A

cast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

a fossil that is found in the rock layers of only one geologic age and that is used to establish the age of the rock layers

A

index fossil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly