GEO 102 Lecture 26 Outline of Last Lecture I. Introduction of free oxygenOutline of Current Lecture II. The Sequence of EventsIII. Big Picture of LifeCurrent LectureThe Sequence of Events - Why do geologists divide time up the way we do?o Mostly due to fossils Appearance and extinctiono Rarely rock typeo Sequence Sea levelo Age-dateso GeochemistryBig Picture of Life- Cenozoico Age of mammalso Flowering plants ruleo Modern seas- Mesozoico Age of reptileso Paleozoic-style seas- Paleozoico Origin of most modern body styleso Life moved from sea to seao Benthic-epi benthic and endo benthic (in or on the sea floor and around the sea floor)o Pelagic (nektic)o plankticThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a
View Full Document
Unlocking...