fossil record Flashcards
1
Q
uniformitarianism
A
theory that changes the earths crust
2
Q
catastrophism
A
changes the earths crust from violent things
3
Q
paleontology
A
study of plants and dinosours
4
Q
relative dating
A
determining the past
5
Q
absolute dating
A
determining age of specific chronology
6
Q
superposition
A
the nature and behavior of matter and forces
7
Q
isotope
A
two forms of the same element
8
Q
radioactive decay
A
nuclear decay
9
Q
half-life
A
time taken for the radioactivity of a specified isotope
10
Q
fossil
A
remains that have been saved over time
11
Q
trace fossil
A
fossil of a footprint or trail
12
Q
mold
A
print of something
13
Q
cast
A
object made by shaping
14
Q
unconformity
A
surface of contact between two groups
15
Q
mass extinction
A
one certain species that gets wiped out
