Question

explain the phrase 'ontogeny recapitulates phylogeny' with the help of example .​

Answer 1

Answer: Ontogeny recapitulates phylogeny" is a catchy phrase coined by Ernst Haeckel, a 19th century German biologist and philosopher to mean that the development of an organism (ontogeny) expresses all the intermediate forms of its ancestors throughout evolution (phylogeny).

For Example : the axolotl evolved from a salamander ancestor that had internal gills in the adult stage.

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Answer 2

Answer:

'Ontogeny recapitulates phylogeny' phrase given by Ernst Haeckel.

Explanation:

It means, Development of embryo of animal from fertilization to gestation (Ontogeny), goes through stages resembling successive adult stages in the evolution of animal's ansestors( phylogeny)...

Example: Axolotl evolved from a salamander ansestor, that had internal gills in the adult stage...