Which of the set represents vestigial organs?
Vermiform appendix, body hair and patella
Wisdom teeth, body hair and atlas vertebre
Ear muscles, cochlea and coccyx
Vermiform appendix, ear muscles and coccyx
'Genetic species concept' was given by
Genetic drift operates to
$A$ : Sometimes, some babies have a small tail.
$R$ : This is just a type of mutant variety
$A$ : 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