Decomposer. The fungi is important in a food chain.
Answer:
X is horizantal and Y is vertical
Explanation:
The possible cause for a decrease in ecosystem productivity is : B. a decrease of the biodiversity o an ecosystem
Decrease in biodiversity means that there will be less organisms that support each other to maintain the balance in the ecosystem, which eventually decrease its productivity
Organic chemistry<span> is a </span>chemistry<span> subdiscipline involving the scientific </span>study<span> of the structure, properties, and reactions of </span>organic compounds<span> and </span>organic<span> materials, i.e., matter in its various forms that contain carbon atoms.</span>
