He then shows that if a single individual were born, which varied in some manner, giving it twice as good a chance of life as that of the other individuals, yet the chances would be strongly against its survival.
Autoreak orduan frogatzen du, beste banakoei baino bizitzeko bi bider aukera gehiago emanez nolabait aldatuko litzatekeen banako bakarra jaioko balitz ere, ahalbideak haren biziraupenaren kontra egonen liratekeela.