3rd grade-ch. 1 lesson 3 how are plants grouped?
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Ch. 1 Lesson 3How are plants grouped?
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Plants are grouped bythe kinds of
parts they have.
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flowering plants
• grow flowers that make seeds & fruit
grass apple tree cactus
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grasses• have long narrow leaves• do not have woody stems• grow back from roots each spring
trillium
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deciduous trees • lose their leaves in fall
• seeds form in flowers
dogwood tree
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Temperate Deciduous Forest [01:39]
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pollinate• to move pollen so a seed can form
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Bees pollinate flowers when they move pollen to the flower part that makes seeds.
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After a flower is pollinated, seeds form near the center. A fruit often grows to
surround and protect the seeds.
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•do not lose all their leaves
coniferous trees
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coniferous trees
• grow 2 kinds of cones instead of flowers
1.small pollen cones• large seed cones
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coniferous trees
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Plants are grouped bythe kinds of parts they
have.
![Page 16: 3rd grade-Ch. 1 Lesson 3 How are plants grouped?](https://reader033.vdocuments.us/reader033/viewer/2022061604/55599f73d8b42a5b2a8b4744/html5/thumbnails/16.jpg)
flowering plants
• grow flowers that make seeds & fruit
grass apple tree cactus
![Page 17: 3rd grade-Ch. 1 Lesson 3 How are plants grouped?](https://reader033.vdocuments.us/reader033/viewer/2022061604/55599f73d8b42a5b2a8b4744/html5/thumbnails/17.jpg)
grasses• have long narrow leaves• do not have woody stems• grow back from roots each spring
trillium
![Page 18: 3rd grade-Ch. 1 Lesson 3 How are plants grouped?](https://reader033.vdocuments.us/reader033/viewer/2022061604/55599f73d8b42a5b2a8b4744/html5/thumbnails/18.jpg)
pollinate• to move pollen so a seed can form
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How do bees pollinate flowers?
By moving pollen to the flower part that makes seeds.
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After a flower is pollinated, seeds form near the center. ______ often grows to
surround and protect the seeds.A fruit
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coniferous trees
• do not lose all their leaves
• grow 2 kinds of cones instead of flowers
1.pollen cones-small• seed cones-large
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deciduous trees
• lose their leaves in fall
• seeds form in flowers dogwood tree
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lose their leaves in fallseeds form in flowers
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lose their leaves in fallseeds form in flowers
![Page 29: 3rd grade-Ch. 1 Lesson 3 How are plants grouped?](https://reader033.vdocuments.us/reader033/viewer/2022061604/55599f73d8b42a5b2a8b4744/html5/thumbnails/29.jpg)
dogwood tree
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dogwood tree
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grow cones instead of flowers
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grow cones instead of flowers