Why is it important for an organ system to interact with other organ systems?

Just as the organs in an organ system work together to accomplish their task, so the different organ systems also cooperate to keep the body running. For example, the respiratory system and the circulatory system work closely together to deliver oxygen to cells and to get rid of the carbon dioxide the cells produce.

Explanation:

it creates acid rain

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects