Featured Image
Image
![Earth from space](/sites/default/files/styles/large_medium_350_wide_/public/2022-11/Cambrian%20Explosion%20Thumbnail.png?itok=8ajSby66)
For most of Earth's early history, there simply was no fossil record. Only recently have we come to discover otherwise: Life is virtually as old as the planet itself, and even the most ancient sedimentary rocks have yielded fossilized remains of primitive forms of life.
Reading File
Document