unit 4 the reproduction function natural science 2. secondary education parts of a typical flower
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UNIT
4The reproduction function
Natural Science 2. Secondary Education
PARTS OF A TYPICAL FLOWER
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Parts of a typical flower
Corrola
Calyx
Sepal
Petal
Gynoeciumor pistil
Androecium
Stamen
Click on androecium and gynoecium to find out more
UNIT
4
Natural Science 2. Secondary Education
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• It is made up of stamens. Each stamen has:
• A filament to support the anther.
• An anther, where pollen grains develop. Male gametes form inside these grains.
The androecium
Anther
Pollen grains
FilamentGo back to the Start menu
Parts of a typical flowerUNIT
4
Natural Science 2. Secondary Education
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• This is the female reproductive organ. It is shaped like a bottle.
• It has three parts:
• Ovary: the widest part, which contains the female gametes.
• Style: the long part.
• Stigma: the tip.
The gynoecium
Ovary
Style
Female gamete
Stigma
Parts of a typical flowerUNIT
4
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Natural Science 2. Secondary Education