Question

Define biogenetic law.

Answer 1

• Biogenetic law is also called recapitulation theory.
  
• It was proposed by Ernst Haeckel in 1866.
  
• Ontogeny is the history of the development of an organism throughout its entire life.
  
• Biogenetic law states that Ontogeny recapitulates(repeats) i.e., the development of the animal embryo and young traces the evolutionary development of the species.phylogeny(evolutionary descent).