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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