Miller and Urey performed an experiment to prove the origin of life. They took gases $N H_{3} \wedge H_{2}$ along with
$N _{2}$ and $H _{2} O$
$H _{2} O$ and $CH _{4}$
$CH _{4}$ and $N _{2}$
$CO _{2}$ and $NH _{3}$
In human beings, vestigial organs are
Most primitive living mammals which provide an evidence of organic evolution from geographical distribution are found in
In recent years, $DNA $ sequences (nucleotide sequence) of mt $-DNA $ and $Y$ chromosomes were considered for the study of human evolution, because
Life cannot originate from inorganic materials now because of