(a(i))[1]
State the name of the part labelled X in Fig. 3.1.
(a(ii))[3]
Describe the events that take place after the stage shown in Fig. 3.1 which lead to fertilisation.
(b(i))[3]
Suggest reasons for this species of plant to use self-pollination rather than cross-pollination.
(b(ii))[3]
Discuss the possible effects of a plant population using only self-pollination.
(c)[2]
State two other sources of genetic variation in populations.
(d)[4]
Describe mitosis and its functions in organisms.
(e)[1]
State the name of the unspecialised cells that divide by mitosis.