(a)(i) Cut a pieces of specimen A, place it on the white tile. Add a few drops of iodine solution. Record the observation and result in a tabular form.
(ii) Squeeze a few drops of specimen E on another clean white tile provided, add a few dre Record the observation and result in a tabular form.
(b)(i) State two observables differences between specimens A and B. (ii) Suggest two factors that are likely to be responsible for the state of specimen B.
(iii) With the aid of hand lens/magnifying lens, observe.specimen B. and name an organism that is likely growing on it. (iv) State the mode of feeding of the organism on specimen B (c) ) Make a drawing 6cm-8 cm long, of specimen C and label fully. one function each of any three parts labeled.
Study specimens H, K, L and M and answer questions 2 (a) to 2 (e).
(a) Name the location of each of the specimens H, K and M in the body of a mammal.
(b)(i) Name the fluid in specimen L (ii) State two functions of the fluid named in 2 (b) (i). (iii) Which of the other specimens is specimen L associated with?
(c)(i) State two observable differences between specimens H and K. (i) State two observable features of specimen K that adapt it to its function.
State one biological importance each of specimens K and M.
(d) Make a drawing 8 cm -10 cm long, of specimen M and label fully.
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.