Stings of honey bee and the stings of scorpion are
$I.$ analogous organs
$II.$ heterologous organs
$III.$ homologous organs
$IV.$ vestigial organs
The correct combination is
Who succeeded the Neanderthal man about $50,000 $ years ago and became extinct about $20,000$ years ago
Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of