The earth is a little over 4.56 billion years old and life is probably somewhere between 3.9 and 4.1 billion. The difference is presumeably the time it took for conditions to become favorable (it's hard to have life with a molten crust, for example).Originally Posted by Bakiryu
Short answer: dunno. There are a few hypotheses floating about regarding how organic molecules could have arisen from inorganic compounds, but nothing is really settled.Originally Posted by Bakiryu





). To suggest that the roughly 1.7 million lifeforms on the earth developed out of a single cell is beyond any "fantasy" that the Bible may be accused of presenting and is easily as absurd as the Biblical literalist's insistence of a 6000 year-old earth.