Even a plant species, which makes its own food, cannot survive alone; it needs soil microbes to breakdown the ...$A$... matter in soil and return the ...$B$.... nutrients for absorption. And then, how will the plant manage pollination without an animal agent? It is obvious that in nature, animals, plants and microbes cannot live in ...$C$... but interact in various ways to form a biological community

Choose the correct option for $A, B$ and $C$