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| 1 | Draw and label a root apex. |
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| 2 | During seed germination, a ________, or young primary root, emerges from the seed and grows down. |
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| 3 | How does the structure of a monocot stem differ from that of a dicot stem? |
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| 4 | How does the orientation of the xylem and phloem differ in a stem and a leaf? |
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| 5 | Compare and contrast the structure and function of xylem and phloem. |
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| 6 | ________ occur at the tips of roots and shoots and are localized areas of cellular division. |
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| 7 | In stems, what is the function of the epidermis and cortex? |
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| 8 | The two possible fates of an axillary bud are a branch or a leaf. |
| A) | True |
| B) | False |
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| 9 | The water-conducting cells in the xylem of angiosperms are called trachieds and sieve cells. |
| A) | True |
| B) | False |
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| 10 | Using the external features of a woody stem, how do you determine a year's growth? |
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| 11 | What is "grain" in wood? |
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| 12 | Is vascular cambium a primary or secondary meristem? Explain. |
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| 13 | In bark, the ruptured epidermis is replaced by a tissue called the ________, that functions to minimize water loss. |
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| 14 | In bark, gas exchange across the cork layer occurs through structures called ________. |
| A) | stomata |
| B) | lenticels |
| C) | trachieds |
| D) | vessels |
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| 15 | Define leaflet, venation, and phyllotaxis. |
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| 16 | Draw a compound palmate leaf and a compound pinnate leaf. |
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| 17 | Which layer of mesophyll has air spaces? What is the function of those air spaces? |
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