(a(i))[1]
Define community.
(a(ii))[2]
Complete the passage with the most suitable word or phrase. Adaptation is sometimes described as the process brought about by [BLANK], through which populations become better suited to their [BLANK] over many generations.
(b(i))[4]
For each bird species shown in Fig. 5.2, compare the range in 1969 with the range in 2013.
(b(ii))[3]
From the information in Fig. 5.2, suggest reasons for the change in the range of the island thrush (C) on Karkar Island.
(c)[3]
Explain the risks to these bird species with declining populations.