Question

multiple choice 1 point
the diagram represents a food web for a community of organisms.
a disease causes the rabbit population to decline drastically. how would this decline in the rabbit population impact the community?
the snake population would decrease.
the fox population would decrease.
the grasshopper population would decrease.
the mouse population would decrease.

Explanation:

In a food web, organisms are connected by predator - prey relationships. The fox preys on the rabbit. If the rabbit population (a food source for the fox) declines drastically, the fox will have less food available. With reduced food resources, the fox population is likely to decrease due to factors like lack of sufficient energy for survival, reproduction, etc.

• For the snake: The snake's food source (like mouse or other organisms not directly related to rabbit decline here) isn't affected by rabbit population decline in a direct way that would cause its population to decrease.
• For the grasshopper: The grasshopper's food (grass) and its predators' relationships (not directly related to rabbits) don't suggest its population would decrease due to rabbit decline.
• For the mouse: The mouse's food and predator relationships (not directly tied to rabbits) don't imply its population would decrease because of rabbit decline.

Answer:

B. The fox population would decrease.