Tropical
For an ecosystem to be considered what percent of the land must be covered by trees?
A) 10%
B) 25%
c) 50%
D) 90%
A) 10%
Which forest type is the must undisturbed by humans?
A. Tropical rainforests
b. temperate
c. boreal/taiga
d. deciduous
c. boreal/taiga
Most forest impacts have been caused by converting the land to another use. Which of the following is the most common use of deforested land?
a. grocery stores
b. housing development
c. agricultural land
d. retail development
c. agricultural land
In 1900 approximately what percent of the land in the United States was considered a forest?
a. 25%
b. 33%
c. 47%
d. 60%
b. 33%
Most forest land is owned by private landowners. Which of the following land management decisions would have a positive impact on biodiversity?
a. Replanting native trees
b. introducing non-native species
c. Removing all trees from the system
d. introducing insect species
a. replanting native trees
Many animals depend on forests. Which percent of land animals likely depend on forest habitats for their survival?
a) 60%
b) 75%
c) 80%
d) 85%
c) 80%
Which of the following is the best definition for an invasive species?
a. Non-native species introduced to an area ultimately harming the ecosystem or human health
b. Native plants or animals which grow at an exceptionally fast rate
c. Native plants which take up large areas of space and do not allow for other species to spread
d. Native or non-native species found in nearly every terrestrial area
a. Non-native species introduced to an area ultimately harming the ecosystem or human health
In the United States forests may be owned by the public, in mitigation banks, or privately owned. What percent of American forests are privately owned?
a. 15%
b. 32%
c. 58%
d. 64%
c. 58%
Which of the following is NOT a threat to American forests?
a. Tape worms
b. Kudzu vines
c. Norway Maple
d. Eurasion Pigs
A. tape worms
Which of the following is not a sustainable forestry practice?
a. logging
b. reforestation
c. forest management
d. agroforestry
a. logging
How much annual rainfall would you expect in a tropical rainforest?
a) 50 - 100 inches
b) 460 inches
c) 60-160 inches
d) 97 inches
c) 60-160
Which of the following is a major pest in forest systems?
a. sucking louse
b. cockroaches
c. mosquitos
d. bark beetles
d. bark beetles
Which of the following best describes a prescribed burn?
A. Naturally occurring fires in forest areas caused by lightning
B. Accidental fires caused by humans
C. Controlled fires created by experts to clear fire fuel
D. Managed fires used to stimulate the release of oxygen stored in plants
C. Controlled fires created by experts to clear fire fuel
Rainforests cover which percentage of the Earth?
A. 6%
B. 10%
C. 3%
D. 24%
a. 6%
Which of the following trees are most common in boreal forests/taigas?
a. broadleaf trees
b. coniferous trees
c. deciduous
d. coniferous
Fragmentation is when a forest or habitat is broken apart into smaller pieces, often by a road or human development. Up to what percent of biodiversity may be lost due to habitat fragmentation?
a. 75%
b. 45%
c. 10%
d. 15%
a. 75%
Forests provide many different ecosystem services. Which of the following is NOT an ecosystem service provided by forests?
a. Replenishing carbon dioxide to the atmosphere
b. storing carbon dioxide
c. minimizing soil erosion
d. improving water quality
a. replenishing carbon dioxide to the atmosphere
Which of the following invasive species is known to cause major soil erosion, destroy young trees, and consume seeds and nuts needed to replenish forest systems?
a. earthworms
b. cats
c. feral hogs
d. cottontail rabbits
c. feral hogs
Which of the following acts encouraged settlers to move west and provided free acreage to those who made the journey?
A. Homestead Act
B. Organic Act
C. Weeks act
D. Manifest Destiny Act
Homestead act
How many acres of forest land do experts estimate is considered at risk of mortality?
a. 96 million
b. 81 million
c. 121 million
d. 129 million
a. 81 million
Which of the following describes The Forest and Rangeland Act?
a. Required the Secretary of Agriculture to assess the renewable resources and monitor the supply/demand of each
b. Established the management, protection and care of forest reserves
c. Helped undo damage affecting natural areas
a. Required the Secretary of Agriculture to assess the renewable resources and monitor the supply/demand of each
Which of the following describes The Organic Act?
a. Required the Secretary of Agriculture to assess the renewable resources and monitor the supply/demand of each
b. Established the management, protection and care of forest reserves
c. Allowed the president of the United States to set aside forest reserves
b. Established the management, protection and care of forest reserves
Which of the following best describes The Natural Forest Management Act?
a. Required the Secretary of Agriculture to assess the renewable resources and monitor the supply/demand of each
b. Established the management, protection and care of forest reserves
c. Helped undo damage affecting natural areas
c. Helped undo damage affecting natural areas
Which of the following best describes The Forest Reserve Act?
a. Helped undo damage affecting natural areas
b. Established the management, protection and care of forest reserves
c. Allowed the president of the United States to set aside forest reserves
c. Allowed the president of the United States to set aside forest reserves
Place the forest layers in the correct order from top to bottom:
Forest floor
Canopy
Herb layer
Understory layer
Shrub layer
Canopy
Understory
Shrub
Herb layer
forest floor