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47 Cards in this Set
- Front
- Back
A tree with ____ branching has several main branches close to the ground. |
Spreading |
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Which method of deforestation involves removing all but a few selected trees from a given area? |
Seed-tree method |
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What is the most destructive type of forest fire? |
Crown fire |
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A young tree is call a ____. |
Sapling |
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Which of the following statements is false? 1. All trees are perennials. 2. All trees are at least 20 feet tall. 3. All trees have five branches or more. 4. All trees have a single main stem. |
3. All trees have five branches or more. |
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Who was the first head of the U.S. for service? |
Gifford Pinchot |
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Which of the following is not a function of tree roots?
1. Absorbing water and minerals 2. manufacturing food for the tree 3. Anchoring the tree in the soil 4. storing food |
2. Manufacturing food for the tree |
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Which method of deforestation involves removing all the trees from areas that are 100 acres or less? |
Block cutting |
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Which of the following is not a gymnosperm?
1. Live oak 2. Cycad 3. Conifer 4. Ginkgo |
1. Live oak |
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The type of forest that grows up after a virgin forest is cut |
Secondary forest |
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The branch of forestry that deals with the care and culture of forest trees |
Silviculture |
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The location of a tree's phloem |
Bark |
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The main tissue of a trunk |
Wood or xylem |
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A small pore that allows air to enter a stem |
Lenticel |
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The layer of growth cells just below the bark of a tree |
Vascular cambium |
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A place on a stem that leaves grow out of |
Node |
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The central core of a young woody stem |
Pith |
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The rough outer covering of a tree |
Bark |
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A waxy protective layer on a leaf |
Cuticle |
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The location from which a tree grows in length |
terminal bud |
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A top leave a portion of a fully grown tree |
Crown |
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The tissue that wood is composed of |
Xylem |
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The layer of cells that forms at the base of a petiole to sever a leaf from a branch |
Abscission layer |
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Tree roots are either taproots or ____ roots. |
spreading |
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A forest's thick top layer of interlaced leaves is the ____. |
Canopy |
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And intensive forest management system that is intended to cause forests to grow more high-quality trees that mature more quickly than they normally would is _____ management. |
Sustained yield |
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The northern and southern limit at which trees grow is the ____. |
Tree line |
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Groups of tall plants or trees are called ____. |
stands |
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Broadleaf trees are also called _____ trees. |
Hardwood |
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The hard, dead, clogged wood at the center of a tree is ____. |
Hartwood |
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What is the technical term for a system or object that produces carbon dioxide? |
Carbon source |
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The oldest living organisms on earth are ____. |
Bristlecone pines |
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Which leaves pigment gives leaves a yellow color? |
Xanthophyll |
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The tallest tree species is the ____. |
Coast redwood |
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Which American forest region extends along the Mississippi river? |
Bottomland hardwood forest |
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What describes a tree that loses its leaves in the fall and stays bare all winter? |
Deciduous |
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All that remains on a branch after a leaf falls off |
Leaf scar |
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Tree's living, functioning wood |
sapwood |
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An abnormal tree growth caused by insects |
Gall |
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A tree that produces male and female reproductive parts on separate trees is ____. |
Dioecious |
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Scientist crossbreed trees with desirable characteristics to develop ____ that are more insect resistant and produce better wood than normal trees. |
supertrees |
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A tree's increase in diameter is ____ growth. |
Secondary |
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An ____ forest is one that has not been influenced by a man where are used for timber. |
Old-growth |
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Thick, small leaves at the top of trees are ___. |
Sun leaves |
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One layer of springwood and one layer of summerwood form an ____. |
Annual growth ring |
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ESSAY: Explain three important environmental functions of forest. |
Forest assist in photosynthesis to produce oxygen. Forrest increase the ability of land to hold water. Forest filter and regulate the earth's water supply, helping prevent flooding and erosion. |
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Foresters deliberately setting fire to a for this under control conditions |
prescribed burning |