Study carefully specimens H, Jand K and use them to answer questions 4(a) to 4(d).

 (a) State the habitat of specimen J. 

(b) State (i) five observable features of specimen J;

(ii) how the features in 4(b)(i) adapt specimen J to its habitat.

(c)(i) List two differences between specimens H and J. 

(ii) State three similarities between specimen H and the skin of specimen J.

(iii) State how the similar features named in 4(C)(i) above adapt specimen H for its functions.

(d)(i) Classify specimen K into its phylum and class. (ii) Give three reasons for placing specimen in its class.

(iii) List three observable features of specimen K and state how these features adapt it to its mode of life.