Mon Prof Augmenté
Pollen Reaches the Ovule
Age 11 · Biology
A pollen grain lands on the sticky tip of a flower’s pistil. It grows a thin tube down to the ovule, and male cells travel through the tube to start fertilization.
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Age 11: open this week
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In the picture
- A pollen grain resting on the stigma
- The pollen tube growing down through the style
- The ovule at the base of the pistil
- Male cells travelling inside the tube
Examples
- A bee carries pollen from one apple blossom to another.
- Wind blows grass pollen onto the sticky tip of a nearby flower.
Key takeaways
- The pollen tube is grown by the pollen grain itself.
- Male cells travel inside the tube to reach the egg cell in the ovule.
Quiz: Pollen Reaches the Ovule (Age 11)
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What does a pollen grain do after it lands on the stigma?
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What travels inside the pollen tube?
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Where does the pollen tube grow down to?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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