Tag Archives | evidences

Complete information on embryological evidences of evolution

The embryology or the developmental history of animals offers unique proof of evolution. All the multicellular sexually reproducing organisms start their life from fertilized eggs, which are single cells. With the progress of development, two and three germinal layers are produced in the embryos.

By Nirmala Agarwal|2011-01-12T07:12:38+00:00January 12, 2011|Biology|Comments Off

Complete information on the anatomical and palaeontological evidences of evolution

The external, internal as well as comparative anatomy of vertebrates indicates the occurrence of organic evolution. Organs which are similar in basic structure and development whatever varied functions they may be performing are called homologous organs. Homology is observed in the limbs, hearts, brain of vertebrates, appendages of arthropods, etc.

By Nirmala Agarwal|2011-01-12T06:02:09+00:00January 12, 2011|Biology|Comments Off