पृथ्वी पर जीवों का किस प्रकार आविर्भाव हुआ और किस प्रकार उनका विकास हुआ, इसके विषय में हमेशा से बड़ा हो वाद विवाद रहा है। नए प्रकार के जीव की उत्पत्ति के विषय में चार्ल्स डार्विन ने 1858 ईo में 'प्राकृतिक वरण' का सिद्धांत प्रतिपादित किया और 1858 ईo में एक पुस्तक 'जीवजाति का उद्भव', प्रकाशित …
The Descent of Man, and Selection in Relation to Sex is a book by English naturalist Charles Darwin, first published in 1871, which applies evolutionary theory to human evolution, and details his theory of sexual selection, a form of biological adaptation distinct from, yet interconnected with, natural selection. The …
The Autobiography of Charles Darwin is the autobiography of the British naturalist Charles Darwin which was published in 1887, five years after his death. Darwin wrote the book, which he entitled Recollections of the Development of my Mind and Character, for his family. He states that he started writing it on about …
The Expression of the Emotions in Man and Animals is a book by Charles Darwin, published in 1872, concerning genetically determined aspects of behaviour. It was published thirteen years after On the Origin of Species and alongside his 1871 book The Descent of Man, it is Darwin's main consideration of human origins. In …