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The Life Cycle of Flowering Plants

The Life Cycle of Flowering Plants. The Life Cycle of Flowering Plants. The life cycle shows the main stages in the life of a flower, from seed to flower and to seed again. This is the process of reproduction. Why are some flowers so colourful?.

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The Life Cycle of Flowering Plants

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  1. The Life Cycle of Flowering Plants Ann Morris, Advisory Teacher - Science, 29.4.02

  2. The Life Cycle of Flowering Plants • The life cycle shows the main stages in the life of a flower, from seed to flower and to seed again. • This is the process of reproduction.

  3. Why are some flowers so colourful? • Many flowers have brightly coloured petals and an attractive scent. • This is so that they attract bees and other insects.

  4. What does a flower do? • The main function of a flower is to reproduce and make new seeds so that new plants will grow each year. • If you look carefully at a flower, you will see that it is made up of many different parts. • Each part has an important job to do.

  5. Petals • The petals attract pollinating insects with their bright colour and attractive scent.

  6. Stamens stamen • Thestamens are the male part of the flower. • The plant makes pollen in the stamens.

  7. The Stigma • The stigma is the top of the female part of the flower. • The pollen from another flower collects on the stigma’s sticky surface.

  8. The Ovary pollen • The ovary protects the ovules. • Pollen travels to the ovules and fertilization takes place. • Now the ovules will develop into seeds. ovary ovule

  9. Pollination • Insects visit flowers to search for nectar – their food. • But the flowers use the insect for their own purposes!

  10. Pollination • As the insect probes for nectar, its body rubs against the stamens. • Pollen gets stuck on the insect’s legs. • You can often see bees with a heavy load of yellow pollen on their hind legs.

  11. Pollination and Fertilization • When the insect visits another flower of the same type, the pollen will stick to the stigma.

  12. Pollination and Fertilization • The pollen travels to the ovary, where it joins with an ovule and fertilization takes place.

  13. Seeds • The seeds develop inside the ovary, which grows to become the fruit.

  14. Seed Dispersal • The seeds are dispersed; some by animals, some by the wind, some by explosion and some by water.

  15. Germination • If the seed lands in a suitable place, it will germinate, and grow into a new plant. • Then the cycle starts all over again.

  16. Write these words in the boxes: germination, fertilization, pollination, seed dispersal, parent plant, plant growth

  17. Write the correct words in the boxes:stamens, stigma, petals, ovary where the seeds grow pollen sticks to this where the pollen is made these attract insects

  18. Write the correct words in the boxes:stamen(2), stigma, petals, ovary, ovules, pollen, This is the female part of the flower, which receives the pollen These attract insects the male part of the flower Insects carry this from flower to flower this is where pollen is made These become seeds after fertilization This is where the seeds will grow

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