Evolution is best defined as
Inheritance of acquired characters
Descent by modifications
Spontaneous generation
Struggle for existance
Peking man $(Homo\ erectus\ pekinensis) $ was
Biological species concept emphasizes on
Brow spot in frog is
Assertion : Jave Ape-man, Peking man and Heidelberg man are the fossils of Homo erectus.
Reason : Homo erectus evolved from Homo habilis.
Which of the following is not vestigeal organ in human beings?