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Science 12.2
| Question | Answer |
|---|---|
| what can you use to identify particular plants or animals. | Dichotomous Identification keys |
| Like roots of herbaceous plants, tree roots occur as either taproot or ___ | Spreading roots |
| ___ is the rough outer covering of a tree | Bark |
| a ring of gross sales called the ____ separates the bark layers from the Woody tissue of a tree trunk. | Vascular cambium |
| ___ is the main tissue of the trunk. | Wood |
| each year the wood produced by a vascular cambium forms in layers called ___ | Annual growth rings |
| ___, made of large xylem vessels, is Light in color. | Springwood |
| ___ consist of small xylem vessels and is dark because of its closely compact sales. | Summerwood |
| This hard, inactive Deadwood is called ___. | Heartwood |
| The central core of a young Woody stem is called ___. | Pith |
| The functioning wood surrounding the dead Heartwood is called ___ | Sapwood |
| At the end of a twig and on the sides of the trade, there are small ___ | Buds |
| The ___ , found at the end of a twig allowed to stand to grow in length. | Thermal bud |
| ___ over the thermal but during the dormant seeds to protect the delicate, undeveloped Freeport from winter weather. | Bud scales |
| In the spring, the protective Bud scales fall off, leaving ring shaped ___ | Bud scale scars |
| The ___ is a waxy protective layer on the leaf that encourages water retention . | Cuticle |
| ___ are at the bottom of the tree | Shade leaves |
| ___ , found at the top of the trees, are thicker and smaller. | Sunleaves |
| ____ produces yellows; ___ produces oranges; ___ produces purple, red, and Blues. | Xanthophyll, Carotene, and Anthocyanin |
| As seasons change, the leaf sends its leftover nutrients and sugars back into the stem before the ___ forms | Abscission Layer |
| All that remains on the tree is a ___. | Leaf scar |
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Biggirl
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