Presence of flagellated protozoans in the gut of termites are the example
Symbiosis
Parasitism
Antibiosis
Commensalism
Observe the set of $4$ figures $A$, $B$, $C$ and $D$ and, answer the following questions
$(i)$ Which one of the figures shows mutualism ?
$(ii)$ What kind of association is shown in $D$ ?
$(iii)$ Name the organisms and the association in $C$.
$(iv)$ What role is the insect performing in $B$ ?
It is relationship between Ophrys orchid and male bee.
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 relation with those trees. Discuss the type of association the lianas have with the trees.
Which competition is more intense?