ch. 12
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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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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| Who was the first head of the U.S. Forest Service | Gifford Pinchot
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| A young tree is called a | sapling
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| What is the most destructive type of forest fire | crown fire
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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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| A tree with ? branching has several main branches close to the ground | spreading
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| Groups of tall plants or trees are called | stands
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| The northern and southern limit at which trees grow is the | tree line
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| An 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 ? mannagement | sustained yield
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| a forest's thick top layer of interlaced leaves is the | canopy
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| Tree roots are either taproots or ? roots | spreading
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| the tissue that wood is composed of | xylem
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| the top leafy portion of a fully grown tree | crown
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| the layer of cells that form at the base of a petiole to sever a leaf from a branch | absission layer
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| the location from which a tree grows in length | terminal bud
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| a waxy protective layer on a leaf | cuticle
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| the rough outer covering of a tree | bark
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| the central core of a young woody stem | pith
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| a place on a stem that leaves grow out of | node
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| the layer of growth cells just below the bark of a tree | vascular cambium
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| a small pore that allows air to enter a stem | lenticel
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| the main tissue of a trunk | wood
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| the location of a tree's phloem | bark
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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 | silvicutlure
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| an abnormal tree growth caused by insects | gall
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| foresters deliberately setting fire to a forest under controlled conditions | prescribed burning
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| a tree's living, functioning wood | sapwood
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| all that remains on a branch after a leaf fall off | leaf scar
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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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| which American forest region extends along the Mississippi River | bottomland hardwood forest
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| the tallest tree species is the | coast redwood
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| which leaf pigment gives leaves a yellow color | xanthophyll
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| the oldest living organisms on earth are | bristlecone pines
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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 hard, dead, clogged wood at the center of a tree is | heartwood
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| Broadleaf trees are also called ? trees | hardwood
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| one layer of springwood and one layer of summerwood form an ? | annual growth ring
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| Thick small leaves at the top of trees are | sun leaves
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| an ?? forest is one that has not been influenced by man or used for timber | old-growth
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| a tree's increase in diameter is ??? growth | secondary
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| Scientists 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 that produces male and female reproductive parts on separate tress is | dioecious
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