Chapter 2, Problem 26A

Summary Introduction

To analyze:

Food web in a terrestrial ecosystem.

Introduction:

A food web is made of several interconnected food chains which shows the flow of energy from one organism to another. It includes producers such as green plants and different consumers that include herbivores, carnivores and omnivores.

Explanation of Solution

Below is the poster of a food web that includes many organisms:

  

In a food web, an organism of higher trophic level has access to more members of a lower trophic level. This can be seen in the above food web. An owl might also eat a mouse, a grasshopper. The fox may eat a rabbit, a bird, and a mice. It means the food web plays an important role in improving the adaptability and competitiveness of an organism.

Conclusion

Thus, a network of different food chains operating in a given ecosystem is called a food web.