5. Mutations and variations are ___ random and it is possible that they will not have no effect, a negative effect, or even a positive effect on the organism's fitness. *

ur answer is e & d

explanation:

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

answer; benefit; harmed;