Which of the following was formed in S Miller's experiment?
Amino acids
Nucleic acids
$UV$ radiations
Microspheres
First respiration arose on earth was
Recapitulation theory $(Biogenetic law)$ explains "Ontogeny repeats Phylogeny''. It was given by
First cell produced on earth is
Which of the following are homologus organs
The early stage human embryo distinctly possesses