Section 1: Introduction Section 2: The Precambrian Era Questions: Sections 1-2 Section 3: The Paleozoic Era Section 4: Bakken Formation Questions: Sections 3-4 Section 5: Mesozoic Era Section 6: When Dinosaurs Ruled North Dakota Profile: Triceratops and Tyrannosaurus rex Questions: Sections 5-6 Section 7: Cenozoic Era Section 8: Tertiary Period Questions: Sections 7-8 Section 9: Quarternary Period Questions: Section 9 Part 1: In a Nutshell Part 1: Vocabulary
