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Flower parts

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Transcript

  • 1. Introduction to Plants Standard Grade Biology
  • 2. Reproduces sexually Larch cone containing seeds Larch
  • 3. Ash Tree Reproduces sexually Seed cases known as ‘keys’
  • 4. Nettle Also reproduces asexually vegetative propagation Has flowers
  • 5. Also reproduces through vegetative propagation Marsh Buttercup Reproduces sexually and asexually Has flowers
  • 6. Parts of a Flower Petal Nectary Ovary Stigma Style Sepal Anther Ovule Filament Flower stem Stamen
  • 7. Pollen is produced here. Anther This is the stalk of the anther. Filament These protect the flower whilst the flower is developing from a bud. Sepal This is where a sugary solution called nectar is produced. Nectary Gives support to the flower and elevates the flower for the insects. Flower Stalk This is the collective name for the anther and the filament. Stamen This will become a seed once fertilisation has taken place. Ovule Ovules are produced inside this. Ovary It raises the stigma away from the ovary to decrease the likelihood of pollen contamination. It varies in length. Style Is covered in a sticky substance that the pollen grains will stick to. Stigma These are used to attract insects into the flower, they may have guidelines on them and be scented. Petal Part Function Flower Part
  • 8. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.