The diagrams below illustrate parasites of farm animals

Study them and answer the questions that follow.

a) Identify the parasites labelled I and II. 

b) Mention three external features of the parasite labelled I. 

c) Name the part of the body of the host where the parasite labelled II is found.

(i) State four adaptive features of the parasite labelled II on its host. 
(ii) List two intermediate hosts of the parasite labelled II. 

d) State three effects of the parasite labelled I on its host.

e) State three effects of the parasite labelled I on its host.