Study specimens L, M and N carefully and use them to answer questions 4(a) to 4(c).

(a)(i) State the habitats of specimens L, M and N.

(ii) State the modes of nutrition of specimens L. M and N.

(iii) Explain how each of specimens Land M are adapted to their modes of feeding. 

(b)(i) Describe briefly the relationship that exists among specimens L, M and N.

(ii) State two ways in which specimen M is of economic importance.

 (iii) State one way in which specimen M can be controlled.

(c) Make a drawing 8cm - 10cm long of specimen M and label fully.