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;
26 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Fossil |
remains of ancient organisms |
|
|
|
Organisms |
any contiguous living system |
|
|
|
Cast Fossil |
when animal, plant, or others die |
|
|
|
Mold Fossil |
rock that surrounds the cast fossil |
|
|
|
Trace Fossil |
fossil of footprint, trail, burrow, or other trace of animal
|
|
|
|
Petrified/permineralized fossil |
fossils that turned to stones |
|
|
|
Preserved fossil |
remains from a prehistoric organism that have been preserved inside rock.
|
|
|
|
Carbonized Fossil |
formation of carbon from organic matter |
|
|
|
Fossil record |
life's evolutionary epic that unfolded over four billion years |
|
|
|
Diversity |
being diverse |
|
|
|
Relative Age |
determining the relative order of past events |
|
|
|
Absolute age |
true age of rocks or fossils |
|
|
|
Index fossils |
fossil use to define and identify geologic periods |
|
|
|
Law of superposition |
axiom that forms one of the bases of the science
|
|
|
|
Trilobites |
fossil group of extinct marine athropods |
|
|
|
Geologic Time Scale |
a system of chronological measurement that relates stratigraphy to time |
|
|
|
Era |
a long and distinct period of history |
|
|
|
Period |
a length or portion of time. |
|
|
|
Epoch |
a period of time in history or a person's life |
|
|
|
Precambrian Eon |
period of geologic time between Hadean the Phanerozoic Eon |
|
|
|
Paleozoic Era |
earliest of three geologic eras of the Phanerozoic Eon |
|
|
|
Mesozoic era |
interval of geological time |
|
|
|
Cenozoic era |
time period of animals, humans, and plants |
|
|
|
Quaternary Period |
current and most recent of the three periods of the Cenozoic Era |
|
|
|
Holocene epoch |
recent of the two epochs of the Quaternary Period, beginning at the end of the last major Ice Age
|
|
|
|
... |
yy |
|
