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Apologia Elem Botany
Lesson 8: Stems
| Question | Answer |
|---|---|
| What two parts of the plant are in the vascular bundle? | The xylem and the phloem |
| What does xylem do for a plant? | The xylem are the tubes that send water up from the roots to the rest of the plant. |
| What is the difference between woody and herbaceous stems? | Woody stems are hard and woody and grow thicker with age by adding cells to their vascular cambium. They cannot perform photosynthesis. Herbaceous stems are soft and green and can perform photosynthesis and feed the plant. They grow longer by adding cells to the end of the stem. |
| What is phototropism? | When plants use special chemicals to make their stems bend and twist to turn toward the light. |
| What are the special chemicals called that enable a plant to grow toward the light? | Auxins |
| What would happen if a plant did not have a stem? | The plants would not be able to lift their bodies above the ground. The stem is sort of like the plant's spinal column, giving it its form. |
| What are the names of the grass stems that grow sideways along the ground? | Runners |
| What does phloem do for a plant? | Phloem are the tubes that send the sugary food down from the leaves to the rest of the plant. |
| What is the biggest stem on a tree? | A tree trunk |
| If you counted the rings in a tree's trunk, what would you discover? | The age of the tree |
| What are succulents designed to store? | They store a lot of the water they need to survive during long periods of drought |
Created by:
Sheri8
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