Alanna was cleaning out her pantry and opened a jar of jam to find a strange odour and a white-ish substance growing on top of the jam. Alanna thinks the jam has been contaminated by a bacterium. Which type of extremophile is likely to be the one responsible for the growth on top of the jam? 

A.   Psychrophile

B.   Thermophile

C.   Alkaliphile

D.   Halophile

(i)   Which response (A-D) is the best choice? (1 mark)

(ii)  Briefly explain your reasoning for your choice (2 marks)