Reading...
Play button
Play button
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;
9 Cards in this Set
- Front
- Back
|
Which 3 ways are used for relative dating?
|
ice cores, index fossil, law of super position
|
|
|
which 2 ways are used for absolute dating?
|
Carbon 14, also radio active dating
|
|
|
if trilobite fossils were found in the Paleozoic era but no in the Mesozoic era what most likely happened to the trilobites during this time?
|
There's a mass extinction
|
|
|
What do we used ice cores to study?
|
atmospheric composition
|
|
|
if fossils of organisms that lived in the ocean were found on land, what can best describe what happened?
|
That it used to be apart of a water system
|
|
|
What are the 3 types of rocks and how are they formed?
|
Igneous - lava colony ; Metamorphic-transformation from heat and pressure ; Sedimentary - particle stacking upon each other |
|
|
what is the fossil record
|
collection of all fossils through earth's history
|
|
|
what is the time scale of Earths history called
|
Geologic time scale
|
|
|
What does continental drift help us prove?
|
movement of land masses
|
