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| Students have been learning about the organ systems of plants. |
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| An organ system performs jobs. |
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| Students discovered plants have an organ system to move water from the ground into the cells of plants. |
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| Students cut the bottom of the celery stalks. |
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| The celery stalks were placed in jars filled with colored water. |
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| The next day, students observed the stalks and found the leaves had changed color. |
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| Add caption |
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| The leaves and stalks changed color after 24 hours as the water was absorbed through the xylem. |
