SINOPSIS DEL LIBRO

On the Origin of Species is the great work of Darwins life The whole first edition of 1250 copies was exhausted on the day of issue The first four chapters explain the operation of artificial selection by man and of natural selection in consequence of the struggle for existence The fifth chapter deals with the laws of variation and causes of modification other than natural selection The five succeeding chapters consider difficulties in the way of...Seguir leyendo