Who was the proponent of the theory of inheritance of acquired characters?
$A.I.$ Oparin
Hugo deVries
Lamarck
Weinberg
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
The origin of species from pre-existing species is