In an inter-species competition, the less successful species usually

Which of the following characteristics distinguishes the soldier termite from other members of the caste?

Bees communicate with one another to obtain information about the direction of food source through

Which of the following behavioural patterns describes adaptive colouration?

(a) Describe an experiment to compare the water-holding capacity of sandy, loamy and clayey soils.

(b) List three factors that may affect the water-holding capacity of soils.

(c) (i) State the characteristics of sandy and loamy soils.
(ii) What type of vegetation does each support?