According to fossil evidence,how far back in time did life on Earth exist?
A)about 65 million years
B)about 545 million years
C)about 2.0 billion years
D)about 3.5 billion years or more

Question

Quizplus · Accepted Answer

Fossil evidence suggests that life on Earth existed as far back as 3.5 billion years ago or even earlier. This evidence comes from the discovery of stromatolites, which are layered formations of sediment created by microbial communities. Other fossils, such as those of cyanobacteria, provide further evidence for the existence of life billions of years ago.

According to Fossil Evidence,how Far Back in Time Did Life