(a) Name three main parts of the human brain

(b) State the functions of the following:
(i) Cerebrum
(ii) Hypothalamus
(iii) Medulla Oblongata.

(c)(i) List three organs of a higher plant that can respond to stimulus
(ii) What is tactic movement?

(d) Explain the following terms, giving one example in each case:
(I) Phototaxis
(ii) Hydrotaxis
(iii) Chemotaxis. 
 

(a) List four adaptive features of animals that climb rain forest trees.

(b) State five important uses of water to organisms in the tropical rain forest.

(c) Describe how temperature as an ecological factor can be measured

(d)(i) Name two scientists who have contributed to the study of evolution.
(ii) List five evidences to support the occurrence of evolution.