The number of species on island depends on the size of the island and its distance from mainland. This statement would most likely be made by _______________.

The first comprehensive theory of evolution, which proposed that the mechanism was an inner drive for improvement, was proposed by _______________.

Presence of vestigial body parts in organisms like coccyx in human and leg bones in snakes _______________.

Porpoise flippers, human arms, bat wings and elephat’s leg are different outwardly but have similar form internally. This shows they have_________________.

Organs of different organisms that have a similar form due to a common origin are ______________.

These are inferences made in the Principle of Natural Selection except: