Done by Pui Leng, Bellna, Dzakir, Hazim, Glen
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Transcript of Done by Pui Leng, Bellna, Dzakir, Hazim, Glen
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Done by Pui Leng, Bellna, Dzakir, Hazim, Glen
Learning tapestry 2012
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What are seeds ?
Seeds are embryonic plants.
Seeds have been an important development in the reproduction and spread of flowering plants.
These are seeds.
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Picture of an avocado seed:
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Why are seeds important?
Some seeds are important to human because cooking oil comes from coconut seed and humans eat seeds too.
Seeds>Plants>Produce oxygen>Humans take in oxygen to live.
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How are seeds formed?
The flower of a plant has a female pistil. At the top of the pistil is a sticky pad called the stigma. This area catches the pollen from another flower. Later, when the pollen unites with the ovule, the seed is formed.
X
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Graphic of a flower. This flower uses asexual reproduction to reproduce.
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Seed Structure
Structure of a seed:
A seed has a seed coat, seed leaf, shoot and root.
*Part 4 provides the embryo with energy during the first stages of germination.
Part 1:Seed coatPart 2:Shoot Part 3:RootPart 4:Seed leaf
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Process of germination
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Some facts on seeds.
Some seeds germinate very easily while others need certain conditions to be met before they will germinate
Pollination
GerminationFertilization
Fruit/Seed dispersal
Process of sexual reproduction of flowering plants Asexual reproduction of flowering plants
Asexual reproduction is the formation of new individuals from the cell(s) of a single parent.
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Some more facts on seeds
Without seeds, there will not be trees and
THESE will not be possible.
Try to spot the birds! Have you found them? There they are!
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PlantSeeds
FruitAnimals eat fruits.
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As part of Learning Tapestry, we went to Singapore Botanic Gardens for a learning journey. There, we took some pictures with a phone.
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Our trip to Singapore Botanic Gardens
Here are some photographs
These are waterfalls
Lily
Fishes
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Thank you for your kind attention!! ( Snort)
Special thanks to: Google