Twenty Questions Subject: Physiographic Provinces of Virginia Part II.
The Fossil Record and Geologic Time Scale KEY CONCEPT Specific environmental conditions are necessary in order for fossils to form.
The Fossil Record and Geologic Time Scale Fossils and Geologic Time.
Earths Historical Highlights Major stages in the history of Earth Major Extinctions.
Who Wants to be a Genius? Final Exam Review. _________ are the longest subdivisions of geologic time. 1.Eons 2.Periods 3.Eras 4.Epochs.
Paleozoic Late Triassic Early-mid J CCP Late K.
10.4 KEY CONCEPT Evidence of common ancestry among species comes from many sources.
Fossils Earth’s Beginning Age and Eras Classification.
Evolution of Life Chapter 19. The Paleozoic Era (570 to 240 million years ago) Global conditions were seasonal with changes in winds, ocean currents,
12.2 The Geologic Time Scale KEY CONCEPT The geologic time scale divides Earth’s history based on major past events.
Early Paleozoic. Periods of the Early Paleozoic ► Cambrian: 570-505 mya ► Ordovician: 505-438 mya ► Silurian: 438-408 mya.
