Definitions / Explanation : Recapitulation theory or Biogenetic law & Palaeontology
This theory says that "Ontogeny recapitulates evolutionary history.
This means an organism repeats its ancestral history during its development.
It is the study of past life based on the fossil records. It furnishes the most direct and most reliable evidence for evolution.
Contribution of scientist : Hugo de Vries, Hardy - Weinberg and Ernest Haeckel.
Definitions / Explanation : Evolution & Theory of species creation
Definitions / Explanation : Analogous organs & Vestigial or rudimentary organs
The three natural processes that form the basis for evolution are