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Unit 4 Our Forest

True/False
Indicate whether the statement is true or false.
 

 1. 

Leif Erickson’s workers harvested timber to send home by ship.
 

 2. 

Forests are one of our renewable resources.
 

 3. 

The need to establish a reliable food supply meant clearing the forest.
 

 4. 

One-third of U.S. forest and woodland is referred to as noncommercial forestland.
 

 5. 

The root system serves to anchor and support the tree.
 

 6. 

Roots grow both in length and in diameter.
 

 7. 

In autumn, new sapwood cells are large and soft walled and called springwood.
 

 8. 

In spring, new cells are smaller and darker in color and called summerwood.
 

 9. 

Forests are a major contributor to the balancing of oxygen and carbon dioxide in the atmosphere.
 

 10. 

No covering protects soil better than that in a forest.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Leif ____ landed in North America about 1,000 years ago.
A.
Smith
C.
Erickson
B.
Magellan
D.
Alexander
 

 2. 

A ____ is a very complex community of trees, shrubs, plants, and animals.
A.
wilderness
C.
park
B.
forest
D.
woodlot
 

 3. 

The ____ stores industry grew up around pitch harvesting from pine trees in the southern forest region.
A.
naval
C.
pitch
B.
ship
D.
tree
 

 4. 

Forested area in the United States increased to about ____ million acres.
A.
122
C.
655
B.
733
D.
749
 

 5. 

Root ____ absorb the water and nutrients taken in by the root system.
A.
tips
C.
dermas
B.
hairs
D.
cambiums
 

 6. 

The trunk transports ____ upward from the root system.
A.
sap
B.
chlorophyll
 

 7. 

During dry years or when disease, fires, insects, or other problems arise, the rings may be extremely ____.
A.
wide
B.
narrow
 

 8. 

Shade-____ trees grow satisfactorily without direct sunlight.
A.
tolerant
B.
intolerant
 

 9. 

A(n) ____ forest has mostly a single species of tree.
A.
all-aged
C.
pure
B.
even-aged
D.
single
 

 10. 

The source for products like paper, pulp, wood fiber, charcoal, explosives and plastic.
A.
dried woods
B.
converted woods
 

Matching
 
 
Match the question with the correct response
A.
Jamestown
F.
ships
B.
860
G.
even aged
C.
cambium
H.
749
D.
shelter
I.
heartwood
E.
age
J.
200 acres
 

 1. 

The first permanent English settlement in America established
 

 2. 

The first task of the settlers
 

 3. 

Needed tall, straight trees
 

 4. 

Millions of acres in America’s forests
 

 5. 

Size of a typical tree farm
 

 6. 

Species of trees in the United States
 

 7. 

Consists of inactive woody cells
 

 8. 

A thin layer of active cells
 

 9. 

Determined by counting the annual rings
 

 10. 

Have trees of single age and size
 



 
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