Most primitive living mammals which provide an evidence of organic evolution from geographical distribution are found in
China
India
Australia
Africa
It's Obvious
Who discovered the fossil of archaeopteryx from bavaria $(Germany)$
There are two opposing views about origin of modern man. According to one view Homo erectus in Asia were the ancestors of modern man. A study of variation of $DNA $ however suggested African origin of modern man. What kind of observation on $DNA$ variation could suggest this
$A$ : Many countries have banned the use of antibiotics in the cattle feed. $R$ : Dairymen give antibiotics in the feed to the cattle and it becomes breeding grounds for the antibiotic resistant bacteria
A species that contains two or more sub-species are called
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