. What is Biogenetic law or Recapitulation theory. Explain
Biogenetic law or recapitulation theory:
i. Postulated by Ernst Haeckel (1861).
ii. Higher animals in their development pass through stages which are similar to the adult stages of lower animals, which would be their ancestors (ontogeny repeats or recapitulates phylogeny).
iii. Ontogeny – Individuals developmental history from the embryo to the adult.
iv. Phylogeny – History of race evolved.