BIOL 2030 CORRECT REVISION QUESTIONS AND
ANSWERS SET A+
✔✔In an open and grassy pine savannah, fires _____.
Which of the following is a result of the prescribed burning of an open and grassy pine
savannah?
In a grassy pine savannah, a longer interval between prescribed burns typically leads to
_____.
What component of weather is watched most closely when determining when to
conduct a prescribed burn?
Which one of the following statements about prescribed burns is true? - ✔✔prevent the
development of a hardwood forest
less-intense natural wildfires
bigger woody species
relative humidity
Some species of pine trees require fire to reproduce.
✔✔Matthew Koehler includes several statistics about impacts of logging in national
forests. Which of the following statements describe an ecological impact of logging?
Dale Bosworth describes several reasons why America's national forests are not
pristine landscapes. Which of the following reasons does he include in his essay?
Both authors describe the unhealthy state of forests but describe very different
solutions. Which of the following answers list Koehler's primary solution and Bosworth's
primary solution?
Although Koehler and Bosworth disagree about the role of logging in U.S. national
forests, their essays suggest one potential point of agreement. Which of the following
statements would both authors support?
, You are a U.S. senator who plans to introduce an updated version of the Organic
Administration Act of 1897. What scientific information would be useful for rewriting the
original law? - ✔✔Approximately 50% of riparian areas restoration
Dale Bosworth describes several reasons why America's national forests are not
pristine landscapes. Which of the following reasons does he include in his essay?
Koehler: ecological restoration; Bosworth: active management (tree thinning)
Removing some trees from forests can reduce the threat of wildfire in protected areas.
Research on the effects of logging on ecosystem services provided by forests
✔✔1. _______ Ecosystems include hydrothermal vent communities in the deep ocean
bottom.
2. Rocky shorelines that are home to sea stars, mussels, crabs, and anemones and
experience fluctuating water levels are ______ ecosystems.
3. __________ ecosystems are being affected by the process of ocean acidification,
which threatens their long-term existence.
4. Floating brown algae that provide food and shelter for a diversity of animals
characterize _______ ecosystems.
5. _______ ecosystems occur where fresh water from rivers mixes with saltier marine
waters to produce a highly productive ecosystem with varying salinity levels.
6. Salt-tolerant grasses and shrubs dominate _______ ecosystems, which occur on the
coast at temperate latitudes. - ✔✔1. open ocean
2. intertidal
3. coral reef
4. kelp forest
5. estuary
6. salt marsh
✔✔In what year was the fishing mortality highest for North Atlantic swordfish? - ✔✔1987
✔✔In what year was the biomass highest for North Atlantic swordfish? - ✔✔1978
✔✔Which of the following statements describes the mortality and biomass trends for
swordfish before the United States implemented an international recovery plan? -
✔✔Mortality was increasing and biomass was decreasing.
✔✔Compare the percent change in stock biomass from 1978 to the international
recovery plan in 1994 and following the recovery plan to the year 2000. - ✔✔Prior: 33%
decline; Post: 25% increase
ANSWERS SET A+
✔✔In an open and grassy pine savannah, fires _____.
Which of the following is a result of the prescribed burning of an open and grassy pine
savannah?
In a grassy pine savannah, a longer interval between prescribed burns typically leads to
_____.
What component of weather is watched most closely when determining when to
conduct a prescribed burn?
Which one of the following statements about prescribed burns is true? - ✔✔prevent the
development of a hardwood forest
less-intense natural wildfires
bigger woody species
relative humidity
Some species of pine trees require fire to reproduce.
✔✔Matthew Koehler includes several statistics about impacts of logging in national
forests. Which of the following statements describe an ecological impact of logging?
Dale Bosworth describes several reasons why America's national forests are not
pristine landscapes. Which of the following reasons does he include in his essay?
Both authors describe the unhealthy state of forests but describe very different
solutions. Which of the following answers list Koehler's primary solution and Bosworth's
primary solution?
Although Koehler and Bosworth disagree about the role of logging in U.S. national
forests, their essays suggest one potential point of agreement. Which of the following
statements would both authors support?
, You are a U.S. senator who plans to introduce an updated version of the Organic
Administration Act of 1897. What scientific information would be useful for rewriting the
original law? - ✔✔Approximately 50% of riparian areas restoration
Dale Bosworth describes several reasons why America's national forests are not
pristine landscapes. Which of the following reasons does he include in his essay?
Koehler: ecological restoration; Bosworth: active management (tree thinning)
Removing some trees from forests can reduce the threat of wildfire in protected areas.
Research on the effects of logging on ecosystem services provided by forests
✔✔1. _______ Ecosystems include hydrothermal vent communities in the deep ocean
bottom.
2. Rocky shorelines that are home to sea stars, mussels, crabs, and anemones and
experience fluctuating water levels are ______ ecosystems.
3. __________ ecosystems are being affected by the process of ocean acidification,
which threatens their long-term existence.
4. Floating brown algae that provide food and shelter for a diversity of animals
characterize _______ ecosystems.
5. _______ ecosystems occur where fresh water from rivers mixes with saltier marine
waters to produce a highly productive ecosystem with varying salinity levels.
6. Salt-tolerant grasses and shrubs dominate _______ ecosystems, which occur on the
coast at temperate latitudes. - ✔✔1. open ocean
2. intertidal
3. coral reef
4. kelp forest
5. estuary
6. salt marsh
✔✔In what year was the fishing mortality highest for North Atlantic swordfish? - ✔✔1987
✔✔In what year was the biomass highest for North Atlantic swordfish? - ✔✔1978
✔✔Which of the following statements describes the mortality and biomass trends for
swordfish before the United States implemented an international recovery plan? -
✔✔Mortality was increasing and biomass was decreasing.
✔✔Compare the percent change in stock biomass from 1978 to the international
recovery plan in 1994 and following the recovery plan to the year 2000. - ✔✔Prior: 33%
decline; Post: 25% increase
