Slide 1 Slide 2 Twenty Questions Subject: Physiographic Provinces of Virginia Part II Slide 3 Twenty Questions 12345 678910 1112131415 1617181920 Slide 4 1. Label the physiographic…
Slide 1The Fossil Record and Geologic Time Scale KEY CONCEPT Specific environmental conditions are necessary in order for fossils to form. Slide 2 The Fossil Record and Geologic…
Slide 1The Fossil Record and Geologic Time Scale Fossils and Geologic Time Slide 2 The Fossil Record and Geologic Time Scale Trilobite: earliest fossil of Arthropods Slide…
Slide 1Who Wants to be a Genius? Final Exam Review Slide 2 _________ are the longest subdivisions of geologic time. 1.Eons 2.Periods 3.Eras 4.Epochs Slide 3 Which mountain…
Slide 1 10.4 KEY CONCEPT Evidence of common ancestry among species comes from many sources. Slide 2 The study of geography provides evidence of evolution. –island species…
Slide 1 12.2 The Geologic Time Scale KEY CONCEPT The geologic time scale divides Earth’s history based on major past events. Slide 2 12.2 The Geologic Time Scale Index…
Slide 1 Early Paleozoic Slide 2 Periods of the Early Paleozoic ► Cambrian: 570-505 mya ► Ordovician: 505-438 mya ► Silurian: 438-408 mya Slide 3 Overview of Paleozoic…
Slide 1 Evolution of Life Chapter 19 Slide 2 The Paleozoic Era (570 to 240 million years ago) Global conditions were seasonal with changes in winds, ocean currents, and nutrient…