Question

What ontogeny repeats phylogeny?​

Answer 1

Ans:"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).

Explanation:

Answer 2

Answer:

A german scientist gave the term onyogeny repeats phylogeny named Ernest haekel .A famous experiment of his cutting a tail of mice is known ,in this way ,he wants that ancestral charactere repeats amd there are not variation at alll