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Science 12.2

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
Created by: Biggirl