Fig. 9.1 presents a diagram of a sustainable fish farm. The diagram labels these features: ducks produce eggs for human consumption; duck house; duck faeces fall into the water and supply nutrients for water plants; fish provide food for village; water is used for ducks to drink and to irrigate crop plants; fish and ducks feed on water plants; crops feed the local population; fruit trees; crop plants.
(a(i))[1]
Define herbivore.
(a(ii))[1]
Name the group of organisms.
(a(iii))[3]
Suggest three reasons for this claim.
(b)[2]
Explain what the term sustainable resource means.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “An animal that obtains energy by eating plants” …