Camouflage is an important mechanism where

In brood parasitism . . . . . . .

Sometimes parasites themselves are parasitised by other organisms. Such parasites are known as:

Cattle or goats are never seen browsing on $Calotropis$ growing in abandoned fields because of the presence of:

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 $C$.

Between which among the following,the relationship is not an example of commensalism?