Fossils | Vocab Flashcards
1
Q
Paleobiology
A
The study of ancient beings
2
Q
Hard Structures
A
bones, teeth, shells, wood, and leaves are what’s usually defiend as a hard strucure and is what is left behind
3
Q
Fossilization
A
When dissolved minerals replaced some parts molecule by molecule, leaving fossils made stone.
4
Q
Relvative Dating
A
Give a relative age based on the position of strata layers
5
Q
Absolute Dating
A
Uses isotopes & Radioactive decay
6
Q
Half-Life
A
Time it takes for half of a given isotope to decay
