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ÇIKMIS KPDS SORULARI PARAGRAF DOLDURMA (TEST 1) 79. Soru
Bu Testin Birincisi
Morning
100 %
79.
The oldest direct evidence we have of life on Earth consists of fossilised bacteria in 3,5
billion-year-old rocks from Western Australia. ---- .So we can deduce that the origin of life on
Earth goes back even farther, to perhaps close on four billion years ago.
Obviously, once conditions had stabilised sufficiently on Earth, life appeared very quickly
This fact does not help us to determine the actual age of Earth itself
These fossilised organisms are actually quite advanced and must have had a long evolutionary
history
The very fact that life appeared so late in geological time suggests that it was not easy for nature
to achieve it
It is usual to assume that life is bound to arise whenever physical conditions are similar to those of
Earth
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Bu Testin Birincisi