Nutrients are continually resused and flow through an ecosystem from organism to organism. What is a specific example of an organism that could be represented by the letter X on the nutrient cycle?

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

d we did this already

answer///malignant melanoma;