RE: How Life Began on Earth
January 10, 2016 at 5:29 pm
(This post was last modified: January 10, 2016 at 5:33 pm by The Grand Nudger.)
(January 4, 2016 at 3:09 pm)Rhondazvous Wrote: Sophie’s world is a novel of fiction. It also contains a lot of information about the history of philosophy from pre-Socrates to the existentialism of the 20th century.Most of earths "free" oxygen is attributable to life itself. Oxygen is a byproduct of photosynthesis, the basis of all life on this planet, aerobic organisms did not (and could not) develop -until- sufficient oxygen was present to respirate. Earth had an atmosphere long before that atmosphere was approx 20% oxygen. To say that life must have formed before earth had an atmosphere is ludicrous.
But I’m whether the author may have taken fictional liberties concerning science.
When describing the philosophies of Darwin and his time, the character tells us that life must have developed before the earth had an atmosphere because DNA would have been oxidized by oxygen and destroyed. And this, according to the character, is why no new life can develop today.
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