Answer all the questions in this section.

Study specimen S, T, U, V and Wand answer questions 4 (a) to 4(e).

 (a) (i) Name the habitats of each of specimens S, U and W.

(ii) Name the class to which each of specimens S, U and W belong.

(b) State: (i) Four observable similarities between specimens S and U. (ii) five observable differences between specimens S and U.

(c)(i) identify the sex of specimen U. (i) State two reasons for the answer in 4 (c)(i).

(d)State four observable features that adapt specimen S to its habitat.

(e) Construct a food chain using at least three of the given specimens.