Goldschmidt has classified evolution into micro, macro, and mega evolution. Which one of the following is referred to as micro-evolution
$A$ : Due to bottle neck effect, among the survivors, certain alleles may be over represented, some may be underrepresented and some alleles may be totally eliminated. $R$ : The path of extinction of a species cannot be reversed due to bottle neck effect
Which of the following experiment suggested that simplest living organisms could not have originated spontaneously from non-living matter?
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