Re: List of african american inventions. Oh and to the IGNORANT FUCK that gave me some ridiculously illiterate negative karma-if you don't like my opinions, then come out and debate me in the open, don't hide behind anonymity.
Nevertheless, most scientists hold that the first organisms on Earth were much like bacteria of today. But several features of the biochemistry of life suggest that bacteria arenât so ancient after all. In fact, in some respects, the cells of our own bodies tell us more about the evolution of life than bacteria do.
How long ago did the first living forms appear on earth? the earliest known life form were single celled organisms which roamed the earth they appeared around two billion years ago Answer: The Earth formed about 4.5 billion years â¦ ago. 700 million years later (3.8 to 3.5 billion years age) life started.5 people found this useful.he earliest known life form were single celled organisms which roamed the earth they appeared around two billion years ago Answer: The Earth formed about 4.5 billion years â¦ ago. 700 million years later (3.8 to 3.5 billion years age) life started. 5 people found this useful.