The food chain is formed by the organisms beginning from producer and ending in tertiary consumer based on their feeding habits. A complex network of food chains in a community forms the food web. Any disruption of the food web would result in ecological imbalances.
Explanation:
A festive PC of large snakes means huge number of large snakes which generally occupies the apex position in the tropical community. The snakes being carnivorous would feed on primary herbivores, carnivores, as for example, frogs, insects, dogs, cats and so on. The food web would be completely disrupted causing increase in vegetation part of the food web, that is the number of plants and trees will be showing a huge surge. Gradually a time will comes when these large snakes being carnivorous would have nothing to feed and these snakes wouldn't survive.
Option a, b and c are examples of not practicing proper hygiene and they increase the chances of you getting diseases. Option D is the only example that practices proper hygiene.
