In which type of interactions do both the interacting organisms not necessarily live close together?

Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain direct physiological relation with those trees. Discuss the type of association the lianas have with the trees.

In a given habitat,plants show the least competition with which of the following?

What is the term for an interaction where both organisms benefit and are essential for each other's survival?

Competition is a rivalry between two or more organisms for obtaining the same resources. It is a type of

Which one is not a characteristic of predation?