A Mutation Arises in an Individual That Can Decrease That

A mutation arises in an individual that can decrease that individual's Darwininan fitness. This means that this individuals

A) stamina will increase.
B) ability to utilize food will remain the same.
C) ability to produce offspring and contribute to the gene pool of the next generation will decrease.
D) probability that it will face elimination by natural selection will increase.
E) ability to produce offspring and contribute to the gene pool of the next generation will decrease and . probability that it will face elimination by natural selection will increase.