Labels:book | person | press OCR: demonstrates that only those individuals best adapted Charles Darwin an environment survive anc transmit their characteristics to their descendants the origin This natural selection can gradually modify the appearance of species species the point where creature totally different from its forebearer emerges He suggests, moreover, that Human is the most advanced product of this natural selection For more than 20 years, Darwin adds to his zoological observations and itis only in 1859 that he publishes "On the origin of Species by way of natural selection' sppe