Fossil Record Flashcards
1
Q
- uniformitarianism
A
a form of being uniform
2
Q
catastrophism
A
a catastrophe
3
Q
paleontology
A
the study of fossils
4
Q
- relative dating
A
dating how old something is
5
Q
- absolute dating
A
finding the exact date of a fossil
6
Q
superposition
A
older rocks will lie beneath younger rocks if not disturbed
7
Q
isotope
A
a kind of tope
8
Q
- radioactive decay
A
something that decays and leaves a radioactive substance behind
9
Q
- half-life
A
something that is half alive half dead
10
Q
fossil
A
a dead animal that was covered by sediment
11
Q
- trace fossil
A
a bone fossil
12
Q
mold
A
something that makes something
13
Q
cast
A
something that comes out of a mold
14
Q
unconformity
A
not uniform
15
Q
- mass extinction
A
the extinction of an entire race
