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Biology Lecture Exam 1 > Fossils | Vocab > Flashcards

Flashcards in Fossils | Vocab Deck (6)
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1

Paleobiology

The study of ancient beings

2

Hard Structures

bones, teeth, shells, wood, and leaves are what's usually defiend as a hard strucure and is what is left behind

3

Fossilization

When dissolved minerals replaced some parts molecule by molecule, leaving fossils made stone.

4

Relvative Dating

Give a relative age based on the position of strata layers

5

Absolute Dating

Uses isotopes & Radioactive decay

6

Half-Life

Time it takes for half of a given isotope to decay