Slide 1History of the Earth Slide 2 5 billionEarth is believed to be about 5 billion years old Little available atmospheric oxygen at this time 3.9ish billionFirst life on…

Slide 1The History of Life The record and origin of life Slide 2 History of the Earth 5 billionEarth is believed to be about 5 billion years old Little available atmospheric…

Study of an ecosystem Study of an ecosystem Name: 1.5 A Study of an Ecosystem Objectives 1.5.1 Broad Overview of a Selected Ecosystem 1. Present an overview of diversity…

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PowerPoint Presentation Welcome To The Intertidal Zone By: Savannah Calhoun Brittney Daniel      Madison Hennesy Ellen Ponder Characteristics Definition: Part…

PowerPoint Presentation Welcome To The Intertidal Zone By: Savannah Calhoun Brittney Daniel      Madison Hennesy Ellen Ponder Characteristics Definition: Part…