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
Fossil |
The preserved remains or traces of living things |
|
Sedimentary Rock |
The type of rock that is made from hardened sediment |
|
Mold |
A hollow area in sediment in the shape of an organism or part of an organism |
|
Cast |
A solid copy of the shape of an organism |
|
Petrified Fossil |
Fossils in which minerals replace all or part of an organism |
|
Carbon Film |
An extremely thin coating of carbon on rock |
|
Trace Fossils |
These provide evidence of the activities of ancient organisms |
|
Paleontologist |
Someone who collects fossils from sedimentary rocks all over the world |
|
Scientific Theory |
A well-tested concept that explains a wide range of observations |
|
Evolution |
The gradual change in living things over long periods of time |
|
Extinct |
A type of organism is ________ if it no longer exists and will never again live on Earth. |