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List the changes observed in an angiosperm flower after pollination and fertilisation.

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Post pollination and fertilisation, an angiosperm flower undergoes the following changes –

  1. Sepals, petals, and stamens wither and fall off
  2. The zygote develops into an embryo
  3. Ovule develops into the seed
  4. Ovary develops into fruit
  5. Fruit develops pericarp, which is a thick outer covering
  6. The hilum transforms into the seed's scar. 
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