The ratio of methane, ammonia and hydrogen in Stanley Miller's experiment was
$3: 1: 2$
$2: 1: 2$
$1: 2: 1$
$5: 4: 1$
Evolutionary process, giving rise to new species adapted to new habitats and ways of life, is called as adaptive radiation, for example
$A$ : Blood group analysis shows the human beings are more closely related to apes than to monkeys.
$R$ : The blood groups $A$ and $B$ are found in apes but not in monkeys.
Phenomenon of 'industrial melanism' demonstrates
Which one is related to the cultural evolution of human