Unit 5 FRQ Progress Check Questions with Answers
1. Many of Earth's resources, in- Food (including game, wild food, spices), raw materials
cluding forests and mineral (lumber, plant oils, fuel wood, organic material), pharma-
ores, can be depleted or dam- ceuticals/biomedical resources, energy/biomass fuels, and
aged because of the growing water
human population.
Identify one provisioning service
of forest ecosystems.
2. One concern resulting from an Destroys late-successional/old-growth communities that
increasing human population may take many years to develop and cannot be quickly
is the sustainable use of the replaced
world's forests. Clear-cutting of Adds carbon that was sequestered in plant tissue to the
old-growth forest is often dis- atmosphere
couraged by ecologists because Contributes to global climate change with less carbon se-
it leads to habitat loss and de- questered/reduced rates of photosynthesis to remove car-
creases biodiversity. bon dioxide from the atmosphere
Increases rates of soil erosion with the canopy removed/lack
Describe one possible negative of tree roots
environmental impact, other Increases sedimentation/decreases overall water quality of
than loss of habitat or decreas- streams resulting from soil erosion
ing biodiversity, of clear-cutting Increases use of fossil fuels for equipment used to clear cut
large areas of old-growth forest. forests
3. A state is considering opening Organisms associated with all levels of succession, not just
an area of old-growth forest on old-growth forest species, will have available habitat.
state land to logging. Officials Species with niches/habitats in grasslands or early succes-
debate the best way to log the sional communities have increased habitat available.
forest. Clear-cutting in patches increases the number of available
habitats and increases biodiversity.
One official advocates for Patchy environments have more microhabitats, which leads
clear-cutting one-hectare plots to greater biodiversity.
1/7
, Unit 5 FRQ Progress Check Questions with Answers
in the middle of every twen-
ty hectares of the intact
old-growth forest. The official
says that this pattern will max-
imize biodiversity in the area
while still allowing for the har-
vesting of timber. Explain how
this pattern could produce more
biodiversity than the old-growth
forest alone.
4. A state is considering opening Selective cutting/selective felling/single-tree selection.
an area of old-growth forest on
state land to logging. Officials
debate the best way to log the
forest.
Another official wants to harvest
timber in a more sustainable
way. The official wants to assess
individual trees and remove only
the most economically valuable
trees to help maintain the for-
est ecosystem. Propose a log-
ging technique that would best
meet these two goals.
5. A state is considering opening Timber is harvested; however, when individual trees are
an area of old-growth forest on selected, the habitat is minimally disturbed/disrupted and
state land to logging. Officials a variety of canopy levels/tree ages/tree species would be
debate the best way to log the preserved, allowing the current biodiversity to thrive.
forest.
2/7
1. Many of Earth's resources, in- Food (including game, wild food, spices), raw materials
cluding forests and mineral (lumber, plant oils, fuel wood, organic material), pharma-
ores, can be depleted or dam- ceuticals/biomedical resources, energy/biomass fuels, and
aged because of the growing water
human population.
Identify one provisioning service
of forest ecosystems.
2. One concern resulting from an Destroys late-successional/old-growth communities that
increasing human population may take many years to develop and cannot be quickly
is the sustainable use of the replaced
world's forests. Clear-cutting of Adds carbon that was sequestered in plant tissue to the
old-growth forest is often dis- atmosphere
couraged by ecologists because Contributes to global climate change with less carbon se-
it leads to habitat loss and de- questered/reduced rates of photosynthesis to remove car-
creases biodiversity. bon dioxide from the atmosphere
Increases rates of soil erosion with the canopy removed/lack
Describe one possible negative of tree roots
environmental impact, other Increases sedimentation/decreases overall water quality of
than loss of habitat or decreas- streams resulting from soil erosion
ing biodiversity, of clear-cutting Increases use of fossil fuels for equipment used to clear cut
large areas of old-growth forest. forests
3. A state is considering opening Organisms associated with all levels of succession, not just
an area of old-growth forest on old-growth forest species, will have available habitat.
state land to logging. Officials Species with niches/habitats in grasslands or early succes-
debate the best way to log the sional communities have increased habitat available.
forest. Clear-cutting in patches increases the number of available
habitats and increases biodiversity.
One official advocates for Patchy environments have more microhabitats, which leads
clear-cutting one-hectare plots to greater biodiversity.
1/7
, Unit 5 FRQ Progress Check Questions with Answers
in the middle of every twen-
ty hectares of the intact
old-growth forest. The official
says that this pattern will max-
imize biodiversity in the area
while still allowing for the har-
vesting of timber. Explain how
this pattern could produce more
biodiversity than the old-growth
forest alone.
4. A state is considering opening Selective cutting/selective felling/single-tree selection.
an area of old-growth forest on
state land to logging. Officials
debate the best way to log the
forest.
Another official wants to harvest
timber in a more sustainable
way. The official wants to assess
individual trees and remove only
the most economically valuable
trees to help maintain the for-
est ecosystem. Propose a log-
ging technique that would best
meet these two goals.
5. A state is considering opening Timber is harvested; however, when individual trees are
an area of old-growth forest on selected, the habitat is minimally disturbed/disrupted and
state land to logging. Officials a variety of canopy levels/tree ages/tree species would be
debate the best way to log the preserved, allowing the current biodiversity to thrive.
forest.
2/7
