← Apologia General Science Module 8 Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Index fossils Fossils that are assumed to represent a certain period in earth's past. Geological column A theoretical picture in which layers of rock from around the world are meshed together into a single, unbroken record of earth's past. The Theory of Evolution A theory stating that all of life on this earth has one (or a few), common ancestor(s) that existed a long time ago. Paraconformity An uncomformity for which there is no evidence but some geologists think should exist.