Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
What are the types of fossils? |
trace, mold & cast, replacement, petrified or perminalized, amber, and original material |
|
|
Relative dating |
method used to determine the age of rocks |
|
|
radioisotope |
a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc. |
|
|
Law of superposition |
bottom: old top:young |
|
|
precambrian |
first 4 bill years |
|
|
paleozoic |
ocean life boomed |
|
|
mesozoic |
mammals, triassic, jurassic, etc. |
|
|
cenozoic |
most recent |
|
|
biogenesis |
only living can make living |
|
|
order of taxonomy |
Domain Kingdom phylum class order family genus species |
|
|
4 prince of nat selection |
1.variation 2. heridibility 3. overproduction 4. reproductive advantage |
