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Sci. sec.4 B
Stems and Leaves
| Question | Answer |
|---|---|
| What does the xylem do? | It carries water from the roots to the leaves (A.K.A. shoots) |
| What does the phloem do? | It carries food to plant parts ( Phloem flows the food) |
| Stems that are soft, thin, and ,flexible are _____________. | Herbaceous |
| Name two examples of plants with a Herbaceous stem. | Clovers And Poppies |
| What is a growth ring? | A ring of dark cells surrounding lighter cells. |
| Describe the light ring and when it occurs. | The lighter ring is plumper because it occurs in the wetter season. Think of a ballon |
| Describe the dark ring and when it occurs. | The Darker ring is skinnier than the lighter because it occurs during a drought or dry season. Think of a ballon. |
| The type of rigid stem found in trees is know as a _____________ stem. | Woody |
| What is the main function of leaves? | They make food for the plant. |
| From top to bottom list the four layers in a leaf. | Upper Epidermis Palisade layer Spongy layer Lower Epidermis |
| Most photosynthesis takes place in the _______________ layer, in the middle of the leaf. | Palisade |
| Cactus leaves are ______________ leaves that protect cactuses from animals. | Modified |
| The leaves of the sundew plant catch _____________ which are digested to provide nitrogen to the plant. | Insects |
| Layers of the leaf total | Cuticle, Upper Epidermis, Palisade layer, Spongy layer, Stoma. CUPSS |