11.3 Fossils Flashcards
1
Q
Amber
A
Fossilized tree resin.
2
Q
Cast
A
A fossil formed by the infilling of a mold with sediments.
3
Q
Fossil
A
The remains or evidence of once-living organisms that are preserved in the geologic record.
4
Q
Mold
A
A fossil that is an impression of a shell or other part of an organism in sediment.
5
Q
Original preservation
A
Fossil preservation of complete organisms, including soft parts.
6
Q
Petrification
A
Fossil preservation by alteration of hard parts of organisms.
7
Q
Trace fossil
A
A piece of evidence of past life other than a body fossil. Examples include fossilized footprints and animal burrows.
