Question

the ability of an organism to survive and reproduce in its specific environment
adaptation
diversity.
fitness
evolution

Explanation:

To solve this, we analyze each option:

• Adaptation: Refers to traits that help survival, not the ability itself.
• Diversity: Relates to variety of organisms, not survival/reproduction ability.
• Fitness: In biology, it's defined as the ability of an organism to survive and reproduce in its environment.
• Evolution: Is the change in species over time, not the ability to survive/reproduce.

Answer:

C. fitness