About this document
Timeline of Earth by Vanessa Jimenez is a document available to read on EtoBox.
1) The document provides an overview of the geologic time scale, beginning with the formation of Earth 4.6 billion years ago and summarizing the major eras, periods, and events through geologic history. 2) It describes the earliest life on Earth as single-celled organisms and traces the evolution of oxygen-producing photosynthetic bacteria. As oxygen levels rose, more complex multicellular life evolved. 3) The highlights of the Paleozoic Era included the rapid diversification of life in the Cambrian Period
- Author
- Vanessa Jimenez
- Language
- EN