Early life on earth illustrations
Early life on earth illustrations
Early life on earth illustrations clip art.
Timeline of life’s evolution extended by nearly 1.5 billion years
If all the world’s a stage, and all the species merely players, then their exits and entrances can be found in the rock record.
This poetic perspective highlights the continuous evolution and unfolding of life’s history, a narrative that is etched into fossils and the layers of sediment in which they are found.
A recent Virginia Tech analysis has now extended this narrative back to nearly 2 billion years ago, offering a more complete picture of life’s origin, diversification, and extinction.
Expanding the chart of life
Fossil evidence has charted evolutionary milestones over the past half-billion years, but researchers have now pushed this timeline even further back.
The study, led by Virginia Tech geobiologist Shuhai Xiao, expands our understanding of ancient life to the Proterozoic Eon, which spans 2,500 million to 539 million years ago.
During this era, life forms were typically smaller and softe