| Range |
>3.5 Ga
|
| Organism |
Biosphere |
| Reference |
Payne JL et al., Two-phase increase in the maximum size of life over 3.5 billion years reflects biological innovation and environmental opportunity. Proc Natl Acad Sci U S A. 2009 Jan 6 106(1):24-7 p.24 left column top paragraph and p.25 fig.1PubMed ID19106296
|
| Primary Source |
Bonner JT (1988) The Evolution of Complexity by Means of Natural Selection (Princeton Univ Press, Princeton). |
| Method |
Researchers document the evolutionary history of body size on
Earth, focusing on the upper limit to size. |
| Comments |
Ga=billion years ago. (Primary source p.6 bottom paragraph:) "...the 1st organisms observed are bacteria-like and are estimated to be about 3.4 billion years old." |
| Entered by |
Uri M |
| ID |
107057 |