Plant Growth and Development - South Windsor Public Schools

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Transcript Plant Growth and Development - South Windsor Public Schools

The
Life
Cycle
Of a
Plant
It all starts with a SEED.
Inside each seed is a tiny
plant.
The new plant is
surrounded by a supply of
food in the cotyledon.
It is covered by a seed
coat to protect it and its
food until it is time for the
plant to begin to grow.
http://urbanext.illinois.edu/gpe/case3/c3facts1.ht
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The seed begins to
grow with water,
sunlight, and soil.
Without
Just the right amount
of these—no growth!!
Seedling emerges
Seed coat is split
White cotyledons are visible
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Root system grows
The first true leaves appear
You can see them growing at the tip of the plant
They are between the seed leaves
• True leaves continue to grow
• They grow at a rapid rate.
• The plant has a growth spurt
• Yellow-green flower buds appear
• The plant continues to grow in height
• Buds develop into flowers
• Bees are needed to pollinate the buds
• Pods form during the pollination process
• The flowers begin to fall off
Do you remember the bees on toothpicks?
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True leaves begin to fall off
The pods are fully formed
The plants are taken off the water
Pods dry out
There are now seeds
The cycle has been completed
Seed to seed
Seed pods
Which of the following drawings best shows the life cycle of
berry bushes growing naturally in a forest?
http://www.bbc.co.uk/schools/ks2bitesize/science/tests/plants_gr
ow.shtml
http://www.quiacom/mc/546031.ht
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