Which of the following is the vestigial organ in human beings?
Nictitating membrane
Spleen
Femur
Tibia
'A brief reduction in size of a population, due to natural calamities, usually leads to random genetic drift'. For this statement, identify the correct example from the following.
Which of the following amino acids was not found to be synthesized in Millers’s experiment ?
According to the Neo-Darwinian theory, which of the following is responsible for the origin of new species?
Darwin judged the fitness of an individual by