a.    Classify  the following biological associations under the headings in the table below:
    (i)  Remora and shark;
    (ii)  Lichen;
    (iii)  Cattle and white Egret;
    (iv)  Tapeworm in the gut of humans;
    (v)  Flowers and Honeybees; 
    (vi)  Mistletoe and Cacao plant.

Parasitism	Mutualism	Commensalism

                        [6 marks]

b.    (i) State three adaptive features of parasites.    [6  marks]
    (ii) State two effects of parasites on their hosts.    [2 marks]

c.    (i)  What are saprophytes?    [2  marks]
    (ii)  Give four examples of saprophytes.    [4  marks]