"infer from analogy" - Translation from English to Arabic

Therefore, I should infer from analogy that probably all the organic beings which have ever lived on this Earth have descended from some one primordial form into which life was first breathed.
... لذلك عليّ أن استنتج من تجانسها تشارلز داروين انكلترا قبل 139 عاماً أنه لربما كلّ الكائنات العضوية ...