A) The small hole through which the male cells in a pollen reach the ovary is called . The stamen of a flower consists of and .

b) Once seeds land in the right place, they can start to germinate.

c) After fertilization, the fertilized egg divides in the ovule to form the .

d) The male and female cells that cause fertilization are called gametes

e) The pollen tube grows towards a chemical, called a , produced by the ovule.