Question

explain how are variation necessary for survival

Answer 1

hyy...
variation is important because... usually it provides us new type of immune and generally developes ... we can adjust ourselves as per the environment conditions so that we can survive....

hope this helps !

Answer 2

variation may gives better survival advantages as in the case of bacteria which became heat resistant...if there would be no variations may be an organism is not able to survive a paeticular condition..like the survival of the fittest