B. Increases the odds by creating relationships among organisms
Explanation:
The species of living beings present in a habitat interact with each other for food, shelter, reproduction and other resources. These interactions may be positive or negative. Presence of more than one food choices, and availability of choices for other resources for an organism increases the chances of its survival under unfavorable conditions. Hence, interaction between organisms present in a habitat serves to increase the chances of survival for an organism.
Example: A hawk may feed on mouse if grasshopper is not available as food.
