Figure 54.4
-What is the main reason for using food webs instead of food chains in analyzing ecosystems?
A)Most organisms eat more than one type of food.
B)Most organisms feed at several trophic levels.
C)The decomposition cycle needs to be shown.
D)Most organisms eat more than one type of food and feed at several trophic levels.
E)Most organisms eat more than one type of food and feed at several trophic levels.The decomposition cycle needs to be shown.

Question

Figure 54.4 
-What is the main reason for using food webs instead of food chains in analyzing ecosystems?
A)Most organisms eat more than one type of food. 
B)Most organisms feed at several trophic levels. 
C)The decomposition cycle needs to be shown. 
D)Most organisms eat more than one type of food and feed at several trophic levels. 
E)Most organisms eat more than one type of food and feed at several trophic levels.The decomposition cycle needs to be shown.

Quizplus · Accepted Answer

Food webs are used instead of food chains because most organisms eat more than one type of food and feed at several trophic levels. This means that a single food chain is often not sufficient to fully represent the complexity of an ecosystem. Additionally, food webs can also include the decomposition cycle, which is an important aspect of nutrient cycling in ecosystems.

Figure 54.4 -What Is the Main Reason for Using Food Webs Instead