Which is not true of Archaeopteryx
Organic compounds are present in all living cells. They all share the following characteristic
Praying mantis is a good example of
The ancestors of man who used hides to protect their body were
$A$ : 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