(a(i))[2]
State two visible features in Fig. 1.1 that would allow this organism to be classified as an arachnid.
(a(ii))[1]
State the kingdom to which arachnids belong.
(b(i))[3]
Complete the definition of adaptive feature by putting in the missing words. An adaptive feature is an [BLANK] feature that helps an organism to [BLANK] and [BLANK] in its environment.
(b(ii))[1]
Suggest a function for the part labelled A in Fig. 1.1.