Question |
Answer |
Which method of deforestation involves removing all the trees from areas that are 100 acres or less |
block cutting |
Who was the first head of the U.S. Forest Service |
Gifford Pinchot |
A young tree is called a |
sapling |
What is the most destructive type of forest fire |
crown fire |
Which method of deforestation involves removing all but a few selected trees from a given area |
seed-tree method |
A tree with ? branching has several main branches close to the ground |
spreading |
Groups of tall plants or trees are called |
stands |
The northern and southern limit at which trees grow is the |
tree line |
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 |
a forest's thick top layer of interlaced leaves is the |
canopy |
Tree roots are either taproots or ? roots |
spreading |
the tissue that wood is composed of |
xylem |
the top leafy portion of a fully grown tree |
crown |
the layer of cells that form at the base of a petiole to sever a leaf from a branch |
absission layer |
the location from which a tree grows in length |
terminal bud |
a waxy protective layer on a leaf |
cuticle |
the rough outer covering of a tree |
bark |
the central core of a young woody stem |
pith |
a place on a stem that leaves grow out of |
node |
the layer of growth cells just below the bark of a tree |
vascular cambium |
a small pore that allows air to enter a stem |
lenticel |
the main tissue of a trunk |
wood |
the location of a tree's phloem |
bark |
the type of forest that grows up after a virgin forest is cut |
secondary forest |
the branch of forestry that deals with the care and culture of forest trees |
silvicutlure |
an abnormal tree growth caused by insects |
gall |
foresters deliberately setting fire to a forest under controlled conditions |
prescribed burning |
a tree's living, functioning wood |
sapwood |
all that remains on a branch after a leaf fall off |
leaf scar |
what describes a tree that loses its leaves in the fall and stays bare all winter |
deciduous |
which American forest region extends along the Mississippi River |
bottomland hardwood forest |
the tallest tree species is the |
coast redwood |
which leaf pigment gives leaves a yellow color |
xanthophyll |
the oldest living organisms on earth are |
bristlecone pines |
What is the technical term for a system or object that produces carbon dioxide |
carbon source |
the hard, dead, clogged wood at the center of a tree is |
heartwood |
Broadleaf trees are also called ? trees |
hardwood |
one layer of springwood and one layer of summerwood form an ? |
annual growth ring |
Thick small leaves at the top of trees are |
sun leaves |
an ?? forest is one that has not been influenced by man or used for timber |
old-growth |
a tree's increase in diameter is ??? growth |
secondary |
Scientists crossbreed trees with desirable characteristics to develop ??? that are more insect resistant and produce better wood than normal trees |
supertrees |
a tree that produces male and female reproductive parts on separate tress is |
dioecious |