+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
Paleontology
|
The study of prehistoric life.
|
|
Fossil
|
A remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust.
|
|
Extinct
|
No longer existing or living
|
|
Species
|
|
|
Taxonomy
|
The classification of organisms in an ordered system that indicates natural relationships.
|
|
Geologic Time
|
The period of time covering the physical formation and development of Earth, especially the period prior to human history.
|
|
Index fossil
|
The fossil remains of an organism that lived in a particular geologic age, used to identify or date the rock or rock layer in which it is found. Also called guide fossil.
|
|
Relative dating
|
(geology) The proper chronological placement of a feature, object, or happening in the geologic time scale without reference to its absolute age.
|
|
Radioactive dating
|
(archeology) A dating method that utilizes the radioactive decay of certain long-lived, naturally occurring parent isotopes to stable daughter isotopes.
|
|
Observation
|
The use of the senses to gather information (data)
|
|
Inference
|
A logical interpretation based on prior knowledge and experience
|
|
Theory
|
A well-tested explanation that unifies a borad range of observations.
|
