Answer:
Specie diversity
Step-by-step explanation:
Let's understand each option to get to know that why specie diversity is the right option.
1- Ecosystem diversity shows that how different types of habitats there can be where the organisms can live, for example desert ecosystem, tundra ecosystem etc.
2-Genetic diversity means the diversity or variety present in the genetic makeup of organisms which leads to variation among same traits in organisms, for example, many types of eye color, many kinds of facial feature, height ranges etc.
3- Natural selection is based on a theory that there lies a competition of food and resources between organisms for survival. One who has better ability to grab resources survives better and is called fittest.
4- Specie diversity simply indicates that how many diverse kinds of specie or populations can stay at same habitat or ecosystem which perfectly suits our given situation in question.
Hope it helps!