(a(i))[1]
Using the food web in Fig. 6.1, name the producer.
(a(ii))[1]
From the food web in Fig. 6.1, identify an organism that feeds only as a primary consumer.
(a(iii))[1]
The hawks are top predators. Name one more top predator shown in Fig. 6.1.
(b(i))[1]
Name the nitrogen-cycle process in which nitrate ions are converted into nitrogen gas.
(b(ii))[1]
Name the nitrogen-cycle process in which ammonium ions are converted to nitrate ions.
(b(iii))[1]
Name the nitrogen-cycle process in which nitrogen gas is converted to ammonium ions.