AP Biology: Plants (Botany)
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17 terms
Terms | Definitions |
|---|---|
 Vascular | plants that have tissue organized in such a way as to conduct food and water throughout their structure |
| Nonvascular | plants that lack special tissue for conducting water or food |
| Angiosperms | plants that produce flowers as reproductive organs |
| Gymnosperms | plants that produce seeds without flowers |
| Annuals | plants that survive only through a single growing season |
| Biennial | plants that have life cycles that spans two growing seasons |
| Perennial | plants that continue to grow year after year |
| Flower | the primary reproductive organ |
| Sepals | holds the flower before it blooms |
| Petals | brightly colored; their main function is to attract insects and birds, which may be necessary to the process of pollination |
| Pedicel | The short branch of stem, which supports the flower |
| Cytokinins | cell division and fruit development |
| tropism | an involuntary response of an organism to an external stimulus such as light, water, gravity, or nutrients. |
| tubers | underground storage stems, develop new shoots after dormant season |
| corms | resemble bulbs but with enlarged, solid stem for food storage |
| Xylem | tissue that is composed of long tubular cells, which transport water up from the ground to the branches and leaves |
| Phloem | tissue that is made up of stacked cells connected by sieve plates and transports food made in the leaves to the rest of the plant |
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