uniformitarianism - States that geologic processes that occur today are similar to those that have occurred in the past, fossil - the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock, trace fossil - a fossilized structure that formed in sedimentary rock by animal activity on or in soft sediment, climate - The average weather conditions in an area over a long period of time, ice core - A long cylinder of ice obtained from drilling through ice caps or ice sheets; used to study past climates, petrification - This happens when an organism’s tissues are replaced by minerals, fossil record - All of the fossils that have been discovered on Earth,

7.1 Vocab Geologic Change over Time

Leaderboard

Visual style

Options

Switch template

Continue editing: ?