Identify the epiphytic organism.

Which of the following is an example of brood parasitism?

Match Column-$I$ with Column-$II$ and select the correct option.

Column-$I$	Column-$II$
$(a)$ Yucca moth	$(i) \,(+, 0)$
$(b)$ Orchid	$(ii) \,(+, -)$
$(c)$ Hermit crab	$(iii) \,(+, +)$
$(d)$ Plasmodium	$(iv) \,(+, -)$

Which one of the following is $INCORRECT$ about population interaction?

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

Many parasites have evolved to be $A$ in such a way that both host and the parasite tend to $B$; that is,if the host evolves special mechanisms for rejecting or resisting the parasite,the parasite has to evolve mechanisms to $C$ and neutralize them,in order to be successful with the same host species.
Choose the correct option for $A$,$B$,and $C$.