Charles Darwin Quote

But at present, after drawing up a rough copy on this subject, my conclusion is that external conditions do extremely little, except in causing mere variability. This mere variability (causing the child not closely to resemble the parent) I look at as very different from the formation of a marked variety or new species.


In: Francis Darwin (ed.), The Life and Letters of Charles Darwin (Volume 1)


But at present, after drawing up a rough copy on this subject, my conclusion is that external conditions do extremely little, except in causing mere...

But at present, after drawing up a rough copy on this subject, my conclusion is that external conditions do extremely little, except in causing mere...

But at present, after drawing up a rough copy on this subject, my conclusion is that external conditions do extremely little, except in causing mere...

But at present, after drawing up a rough copy on this subject, my conclusion is that external conditions do extremely little, except in causing mere...