The document outlines a timeline for the evolution of humans, marking significant milestones in millions of years. It starts with the appearance of cyanobacteria at 3500 million years ago, progressing through fish, amphibians, reptiles, mammals, monkeys, and culminating with homo sapiens at 0.3 million years ago. Intermediate species within the hominina group, which are now extinct, are also mentioned.

1. Key: Numbers are units of Millions of Years Ago, when the Creatures first appeared.
Timeline for Evolution of Humans from First Life.
3500 Cyanobacteria
530 Fish
370 Amphibians
320 Reptiles
160 Mammals
55 Monkeys
6 Hominina (intermediate species, like the first four shown here, are now extinct) 0.3 Homo Sapiens
Timeline added by KS, 2015