(a(i))[2]
Explain why scientists think that the flowers may be pollinated by wind as well as by insects.
(a(ii))[1]
State one advantage of cross-pollination compared with self-pollination.
(b)[3]
Complete the sentences by filling in the gaps with words: The pollen grain grows a [BLANK] that enables the male gamete to reach the female gamete. Once fertilisation has taken place, the ovule becomes a [BLANK] and the [BLANK] develops into a fruit.
(c)[3]
Explain why this is beneficial to the parent tree and any young trees that are produced from these fruits.