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Science Explosion 07
BJU 6th Science - Chapter 6
| Question | Answer |
|---|---|
| Vascular plant | plants with tubelike structures that transport water from the roots to the stem and leaves |
| Nonvascular plant | plants without tubelike structures |
| Rhizoid | thin, root-like structure of moss (not true root) |
| Rhizome | underground stems |
| Frond | leafy branch of a fern from rhizome to tip |
| Fiddlehead | a fern frond coiled up tightly when growth first begins |
| Angiosperm | vascular plants that have flowers and their seeds are protected inside a fruit |
| Gymnosperm | vascular plants with no flowers, seeds are usually produced inside a cone |
| Annual | angiosperm with only one growing season |
| Biennial | angiosperm needing two growing season to fully develop |
| Perennial | angiosperms that live for three or more years |
| Cotyledon | tiny seed leaves of the plant embryo |
| Dicotyledon | two cotyledons in their seeds |
| Monocotyledon | only one cotyledon in their seeds |
| Taxonomy | branch of science that deals with classifying organisms |
| Xylem | tubes that carry water and minerals from the roots to the top of the plant |
| Phloem | tubes that carry sugars and food throughout the plant |
| Vascular bundle | xylem and phloem tubes grouped together |
| Cambium | a layer of cells in the vascular bundle that reproduce to make more xylem and phloem |
| Tuber | food storage stem of a plant, ex. potato |
| Herbaceous | soft and green stems like those of a flower, generally are annual plants |
| Root | anchors the plant in the soil, supports the stem, absorbs water and nutrients, some store starches and sugars for the plant, ex. beets, radishes and sweet potatoes |
| Primary root | first root that emerges from the seed |
| Taproot | continues to grow from primary straight down into the soil and may have secondary roots branching off it |
| Fibrous root | primary root stops growing and the plant develops many thin roots that spread out in all directions with a few that branch downward for water and minerals |
| Arial root | never touch the soil due to high humidity |
Created by:
MrsDunham
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