Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Ecosystem

Question:

What term is used to describe the interconnected feeding relationships in an ecosystem?

Options:

Food pyramid

Energy transfer

Food web

Trophic cascade

Correct Answer:

Food web

Explanation:

The correct answer is 3) Food web.

A food web is a term used to describe the interconnected feeding relationships in an ecosystem. It represents the complex network of interactions and interdependencies among various organisms in an ecosystem. In a food web, multiple food chains overlap and intersect, illustrating the flow of energy and nutrients among different species.

A food web consists of different trophic levels, which represent the positions that organisms occupy in the feeding hierarchy. At the base of the food web are the primary producers, such as plants or photosynthetic organisms, which convert sunlight into energy through photosynthesis. They form the foundation of the food web by providing energy and nutrients to the next trophic level.

Above the primary producers, there are primary consumers, which are typically herbivores that feed on the producers. These herbivores are then consumed by secondary consumers, which can be carnivores or omnivores. At higher trophic levels, there may be tertiary consumers, quaternary consumers, and so on, depending on the complexity of the ecosystem.

The food web demonstrates how energy and nutrients are transferred from one organism to another as they are consumed. It highlights the interconnectedness of different species and the dependencies that exist within an ecosystem. Each organism in the food web is connected to multiple other organisms through its feeding relationships, creating a complex and dynamic network.

Food webs also reveal the potential for indirect interactions and dependencies. For example, the decline or removal of one species from the food web can have ripple effects on other species within the web, impacting the overall stability and functioning of the ecosystem. This interconnectivity and complexity make the concept of a food web essential in understanding the dynamics and relationships within ecosystems.