The passage describes cell division and sexual reproduction in flowering plants.

Complete the passage by writing a suitable word or words in each of the spaces.

Plants reproduce sexually using specialised sex cells called [1].

In the male part of the flower, known as the stamen, cells in the [2] undergo a type of cell division called [3] to produce pollen grains.

In the female part of the flower, called the carpel, the female gametes are located inside structures called [4], which are contained within the [5].

During pollination, pollen is transferred to the sticky [6] at the top of the carpel.

Each successful pollen grain grows a [7] down the style to reach the female gamete.

Following fertilisation, the fused gametes form a single cell called a [8] which eventually develops into an embryo.