3.4 Looking at Fossils Flashcards
1
Q
The remains of an organism.
A
Fossil
2
Q
A fossilized mak that is formed in a soft sediment by the movement of an animal.
A
Trace Fossil
3
Q
A mark by an shell or body.
A
Mold
4
Q
A type of fossil that forms when sediments fill in the cavity left by a decomposed organism.
A
Cast
5
Q
A fossil that is found in rock layers.
A
Index Fossil
