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 $C$

Which one of the following is a right matching pair of certain organism(s) and the kind of association

If the strong partner is benefitted and the weak partner is damaged, it is known as

Examples of chemicals produced by plants as a defense against grazers and browsers

$I.$ Nicotine

$II.$ Caffeine

$III.$ Quinine

$IV.$ Strychnine

$V.$ Opium

Choose the correct combination

Choose correct group for commensalism from the following

$(a)$ The cattle egret and grazing cattle

$(b)$ Barnacle balanus and Barnacle chathamalus

$(c)$ Goat and Abingdon turtle from Galapagosisland

$(d)$ Barnacles growing on the back of whale