3.4 Looking At Fossils Flashcards
1
Q
the remains or physical evidence of an organism preserved by geological processes
A
fossil
2
Q
a fossilized mark that is formed in soft sediment by the movement of an animal
A
trace fossil
3
Q
a mark or cavity made in a sedimentary surface by a shell or other body
A
mold
4
Q
a type of fossil that forms when sediment fill in a cavity left by a decomposed organism
A
cast
5
Q
a fossil that is found in the rock layers of only one geological age and that is used to established the age of the rock layers
A
index fossil
6
Q
process in which minerals replace a organisms tissues
A
petrifaction
7
Q
process in which the pore space in an organisms hard tissue is filled up with mineral
A
permineralization
8
Q
process in which an organisms tissue is completely replaced
A
replacment
9
Q
animal poop
A
coprolite
