The sea anemone and the clown fish are an excellent example of which of the following?

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

Refer to the given table that summarizes the interactions between two organisms (organism $1$ and organism $2$). Identify the types of interaction ($A, B$,and $C$) and select the correct answer.

Effects on Organism $1$	Effects on Organism $2$ (Benefit,Harm,No Effect)
Benefit	Mutualism,Predation,$B$
Harm	$A$,Competition,Amensalism
No Effect	Commensalism,$C$,$-$

$(i)$ $A$ can be either predation or parasitism.
$(ii)$ $B$ can be either commensalism or amensalism.
$(iii)$ $C$ can be amensalism.
$(iv)$ $A$ can be amensalism.

$A$ plant growing on another plant without drawing any nourishment is

What do caterpillars develop as a defense mechanism against their predators?

Identify the positive interaction.