While Most Bacteria Are Eliminated by Antibiotics, Some Can Possess

Multiple Choice

While most bacteria are eliminated by antibiotics, some can possess mutations that are resistant to antibiotics, leading to more drug-resistant strains of bacteria. Such a mutation is an example of which of Charles Darwin's proposed criteria for traits to evolve through natural selection?

A) The trait must be inheritable.
B) The trait must be able to be learned.
C) The trait must vary.
D) The trait must make the individual more fit to survive.