Question

what is the first life form briefly describe​

Answer 1

Explanation:

The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old. ... Evidence of microbes was also preserved in the hard structures (“stromatolites”) they made, which date to 3.5 billion years ago.

Answer 2

Answer:

Earliest life forms

Explanation:

There is evidence that suggests life began as early as 4.5 billion years ago. ... Evidence of biogenic graphite, and possibly stromatolites, were discovered in 3.7 billion-year-old metasedimentary rocks in southwestern Greenland, and described in 2014 in the journal Nature.