Answer
Not all mutations are harmful to an organism. A mutation can be beneficial if it allows an organism to better adapt to its environment or use resources that it wasn't able to before.
Work Step by Step
A mutation can be beneficial if it allows an organism to better adapt to its environment or use resources that it wasn't able to before. For example, if a mutation arises that causes a certain animal to have a coat color that is similar to its environment, then this mutation will allow that animal to be able to evade its predators by blending into its surroundings.
