Evolution

Evolution ek scientific theory hae, jiske biologists kaam me laae hae. Ii uu chij samjhae hae ki janwar aur perr , jaise time biita waise badal gain hae. Mayr, Ernst. 2001. What evolution is. Weidenfeld & Nicolson, London. ISBN 0297807413 

 References 

 Other websites 

 Understanding Evolution - a guide prepared by the University of California at Berkeley
 Darwin Online Darwin's publications; papers and bibliography; biographies, obituaries and reviews. 
Talk Origins in depth website on information about evoluton and the evidence for it
National Center for Science Education Information on how evolution works 
PBS on evolution site