WorksheetsUnit 3- Forest Conservation and Management
Total questions: 26
Worksheet time: 13mins
Which of the following best describes a prescribed burn?
Naturally occurring fires in forest areas caused by lightning
Accidental fires caused by humans
Controlled fires created by experts to clear fire fuel
Managed fires used to stimulate the release of oxygen stored in plants
Rainforests cover which percentage of the earth?
6
10
3
24
Which of the following trees are most common in boreal forests?
Broadleaf
Coniferous
Deciduous
Deciduous broadleaf
A forest habitat which undergoes fragmentation can lose up to 45 percent of its biodiversity.
true
false
What forest would go in this region?
Tropcial
Boreal
Temperate
What forest would go in this region?
Tropcial
Boreal
Temperate
What forest would go in this region?
Tropcial
Boreal
Temperate
Which of the following is NOT a service forests provide?
Storing carbon dioxide
Minimizing soil erosion
Replenishing carbon dioxide
Improving water quality
Which of the following invasive species cause soil erosion, destroy young trees and consume seeds and nuts necessary for new growth?
earthworms
feral hogs
cats
cottontail rabbits
Which of the following acts encouraged settlers to move west and provided free acreage to those who made the journey?
homestead act
organic act
weeks act
manifest destiny act
Experts estimate around ____ million acres of tree-covered land is considered in risk of mortality.
81
96
121
125
Which is the correct order of the layers of the forest from bottom to top
forest floor
herb layer
understory layer
canopy
shrub layer
forest floor
herb layer
shrub layer
understory layer
canopy
forest floor
understory layer
shrub layer
herb layer
canopy
canopy
understory layer
herb layer
shrub layer
forest floor
For an ecosystem to be classified as a forest, more than ____ of the land must be covered by trees
10 percent
20 percent
50 percent
90 percent
What percent of terrestrial animals depend on forest habitats?
60
75
80
85
tropical forest can impact the weather
True
False
What is the annual rainfall per year in rainforests?
50 to 100 inches
460 inches
60 to 160 inches
97 inches
Which forest type is the most undisturbed by human disruption?
tropical rainforest
temperate
boreal
deciduous
Most of the impact on forests has been caused by the conversion of forests to which of the following?
grocery stores
housing development
agricultural land
retail stores
By 1900, the percentage of forest in the United States was which of the following?
25
33
47
60
The introduction of ______________ has caused an increase in endangered plant and animal species.
Venus fly traps
Invasive species
soil erosion
wild fires
Which of the following best describes an invasive species?
Non-native species introduced to an area ultimately harming the ecosystem or human health
Native plants or animals which grow at an exceptionally fast rate
Native plants which take up large areas of space and do not allow for other species to spread
Native or non-native species found in nearly every terrestrial area
Which of the following is a pest which affects millions of acres of forest land?
sucking louse
cockroaches
mosquitos
bark beetles
What percentage of forests in the United States are privately owned?
15
32
58
64
. Planting native trees on privately-owned land can help maintain biodiversity and the health of the local eco-system.
True
False
Select the threats to U.S. forests. (more than one)
Kudzu vines
Eurasian pigs
Norway Maple
Tape Worms
Which of the following is NOT a critical technique for sustainable forestry?
logging
reforestation
forest management
agroforestry
