Geologic Time Scale Worksheet Answers. Answer key to the geologic time scale worksheet. Get help with your geologic time scale homework.
Geologic time scale is a map that divides earth history into logical segments of time. Eon largest division of geologic time era broad spans of time based on the general type of life existing during that time zoic animal life paleozoic ancient life mesozoic middle life dinosaurs cenozoic recent life mammals ends of eras are usually marked by a great extinction period shorter spans of time based on evidence of major disturbances in earth s crust and on the characteristics of the common rock formations epoch subdivisions of a periods. Worksheet 1 the geologic time scale answer the questions in the spaces provided.
Age of the earth is 4 6 billion years.
Geologic time scale worksheet answer key 1 geologic time scale time span of earth s past is so great that geologists use the geologic time scale to show earth s history. Geologic time scale worksheet answers. 4 2 paleozoic era cenozoic era. Worksheet geologic time scale.
