The History and Biodiversity of Life on Earth

5/13/04

Click here to start

Table of Contents

The History and Biodiversity of Life on Earth

Life Originated on Earth Between 3.5 and 4.0 Billion Years Ago

The Origin of Life is Still an Unsolved Problem

The Miller-Urey Experiment

The First Living Cells

The Archaean Eon

The Oxygen Crisis

The Cambrian Explosion

The Gymnosperms

Mass Extinctions

The Human Mass-Extinction

Current Causes of Mass Extinction

Conservation Biology

Things You Can Do

Author: Alan Molumby