Term
|
Definition
The remains of an organism that was once living and that is now preserved. originally meant anything that was dug up
|
|
|
Term
|
Definition
the study of fossils (Latin, Paleo-ancient, ontos-organisms, ology-study)
|
|
|
Term
|
Definition
are any direct evidence of prehistoric life, such as shells and bones [image] [image] |
|
|
Term
|
Definition
are indirect evidence of prehistoric life, such as footprints and burrows and dung.
[image] [image] |
|
|
Term
|
Definition
Normally "hard parts" of organisms have potential for preservation because they are resistant to decay, while the "soft parts" are not, and will break down. However, even hard parts will be destroyed if they are not buried very quickly.
|
|
|
Term
How A Fossil Has Unaltered Remains?
|
|
Definition
Soft tissue is preserved by: freezing; drying; enclosure in amber; immersionin a bog.(deatils are kept with bogs. ex. tatoos) [image] [image][image] |
|
|
Term
|
Definition
Pore spaces in hard tissues infilled with minerals such as calcite, iron, and silica, that reinforce and solidify them, e.g. dinosaur bones. [image]perfect mold of insect when minerals replaced hard tissues. |
|
|
Term
|
Definition
Is when the mineral that composed the hard tissues is leached away and replaced with a different mineral, e.g. silicification. [image]This petrified wood is also an example of replacement. |
|
|
