You are presented with the quiz "What do some parasitic creatures have special structures for?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fungi have special structures for penetrating a host" and "parasitic plants and fungi can attack animals". So, what's the best answer to the question?

Select from:
(i). Making friends;
(ii). produce offspring;
(iii). sensory neurons;
(iv). protect them;
(v). Penetrate animals;
(vi). Building sheds;
(vii). Learning facts;
(viii). resistance;
Answer:
(v).