How do new Species evolve? Although Darwin identified inherited variation as the creative force in evolution, he never formally speculated where it comes from.
They show that speciation events are not, in fact, rare or h.
Lynn Margulis and Dorion Sagan take a radically new approach to this question.
But despite its acceptance in every major textbook, there is no documented instance of it.
His successors thought that new Species arise from the gradual accumulation of random mutations of DNA.
How do new Species evolve? Although Darwin identified inherited variation as the creative force in evolution, he never formally speculated where it comes from