(a) State two difference between tactic and nastic movements in plants.

(b) Give two examples each of organisms that show:
(i) tactic movement
(ii) nastic movement

(c) (i) State three ways of caring for the mammalian skin.

(ii) List three stimuli to which the mammalian skin is sensitive.

(d) State five effects of high temperature on a terrestrial habitat.

(e) (i) What is courtship behaviour in animals?
(ii) List three courtship behaviours in animals.

(f) Name three organisms that carry out holozoic mode of nutrition.

(g) Explain briefly how fingerprinting can be used to detect crime.