Type of nutrition-Sample QS

Diagram shows organism, P, Q and R.

(a) (i) Describe the type of nutrition in P and Q.
[4 marks]

(ii) Explain one similarity and four differences between the alimentary canal of Q and R.
[6 marks]

Suggested Answer

(a)(i)

P: Autotrophic that enables to produce their own food by photosynthesis process using simple inorganic substances to form complex organic substances
Q: Heterotrophic unable to produce their own food, it depends to others organism for food

(ii)Both contain anaerobic bacteria and protozoa in their alimentary canal for digestion of cellulose