This timeline of evolution of life represents the current scientific theory outlining
the major events during the development of life on planet Earth. In biology ...
This Earth timeline highlights some of the important events that have shaped our
world. The pages in the timeline contain interesting video clips from BBC ...
So humans have been around for a mere 0.004% of the Earth's history. View the
Tree of Life. Jump to: Geological timeline | Geological time periods | Big Five ...
Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-
billion-year history. A lot has happened in that time. Earth formed and oxygen
Biological and Geologic Timeline of the Earth. The origin of the Earth and the
Moon. The evolution of life on Earth.
From fossil evidence, it appears that life may have existed on Earth as early as
3.5 billion years ago. This suggests that life must have evolved sometime during
Time (Myr ago), Event. 4600, Formation of the approximately homogeneous solid
Earth by planetesimal accretion. 4300, Melting of the Earth due to radioactive ...
Jun 30, 2014 ... A photo timeline of Earth's 4.5 billion years of geologic history.
LOADING... THE STORY OF A. GEOLOGIC TIME. CHANGING EARTH.
Presented by the Department of Paleobiology. Eon. Era. Period. Epoch. 460. 920.
This page contains an image of the Earths Timeline and a number of tables. Ideal
for schools to download. Geological periods, first appearance of new ...