Target Exam

CUET

Subject

Biology

Chapter

Ecosystem

Question:

What is the purpose of a food web in an ecosystem?

Options:

To illustrate the hierarchy of trophic levels.

To show the transfer of energy from producers to consumers.

To connect different food chains and maintain stability in the ecosystem.

To demonstrate the movement of organisms in a trophic pyramid.

Correct Answer:

To connect different food chains and maintain stability in the ecosystem.

Explanation:

The correct answer is Option (3) To connect different food chains and maintain stability in the ecosystem.

A food web illustrates the complex network of feeding relationships within an ecosystem. Unlike a simple food chain, which shows a linear flow of energy from producers to consumers, a food web demonstrates how multiple food chains interlink. This helps maintain stability in the ecosystem by showing how energy and nutrients cycle through different organisms, allowing for more flexibility if one species' population changes. It also highlights the interdependence of species in an ecosystem. A food web is a complex network of interconnected food chains in an ecosystem. It represents the feeding relationships among various organisms, including producers, consumers, and decomposers, and how energy and nutrients are transferred between them.

In conclusion, the primary purpose of a food web in an ecosystem is to connect various food chains, illustrate trophic interactions, and maintain stability by demonstrating the complex interrelationships among different species. It provides a holistic view of the ecosystem and its functioning, which is essential for ecological studies and conservation efforts.