(a) Study specimens E and F carefully and use them to answer questions 2(a)(i) to 2(a)(ii).

(i) State the Class to which each of specimens E and F belong.

(ii) List four observable features each of specimens E and F. 

(iii) State how each of the observed features in 2(a)(i) adapt each of specimens E and F to their habitats. 

(b) Study specimen G and use it to answer questions 2(b)(i) to 2(b)(ii).

(i) Classify specimen G into its phylum and class.

(ii) State four observable features of specimen C. 

(iii) Name one habitat of specimen C.