Answer:
Explanation:
I do not have access to your diagram but based on what I know, a food web cannot sustain itself without decomposers. They are the main guys who break down dead animals, plants into organic or inorganic nutrients which are needed by the primary producers to grow. So if decomposers are not there then producers cannot produce and thus herbivores cannot live and carnovers die out as well. Hope this makes sense.
Check out: https://www.nationalgeographic.org/encyclopedia/decomposers/
I’m pretty sure it is given to your supervisor . If it isn’t then it’s inspected and repaired
The answer & explanation for this question is given in the attachment below.