Ontogeny Repeats Phylogeny also called Recapitulation theory states that the devlopemental history of an organism repeats it’s ancestral characters.
eg – The larva of frog that is Tadpole has tails and respire with gills it represents that amphibians evolved from Fishes.
eg – Human embryo has initially 2 chambered heart like fishes then 3 chambered heart like amphibians then 3 1/2 like Reptiles and finally 4 chambered heart it shows our evolution from fishes amphibians reptiles.
