BIO 322 Final Exams Sample Questions with
Complete Solutions
In this example, describe the relationship between the abundance of birds and horseshoe
crab eggs:
A. A decline in crab eggs causes a decline in the number of birds.
B. A decline in the number of birds causes a decline in the number of crab eggs.
C. Causation between birds and crab eggs cannot be determined from these data.
D. Either A or B is correct.
C. Causation between birds and crab eggs cannot be determined from these data.
Based on this graph, which of the below are potential solutions to increase food supply?
A. Increase land area devoted to agriculture.
B. Increase the average yield (tons of food per hectare).
C. Increase aquaculture farming in the oceans.
D. A and B
D. A and B
Green Revolution technologies are responsible for:
A. Increasing Earth's carrying capacity for humans
B. Synthetic pesticide production.
C. Synthetic fertilizer production.
D. Development of high-yielding crop varieties.
E. B, C, and D.
F. All of the above.
,F. All of the above.
In streams and lakes, algae:
A. Is a food source for organisms.
B. Consumes O2, causing water to become anoxic.
C. Produces O2.
D. Grows in response to nitrogen and phosphorus.
E. A, B, and D.
F. A, C, and D.
G. All of the above.
F. A, C, and D.
Which of the following is true about organically vs. conventionally grown food?
A. Organic products are often more expensive.
B. Organic food likely has a lower carbon footprint.
C. Organic food likely has a lower nitrogen footprint.
D. Organic certification allows limited genetic modification (transgenic technology).
E. A and B.
F. All of the above.
E. A and B.
Eutrophication of freshwater in the United States costs _______ per year in lost
recreational income and property value, and costs of endangered species and drinking
water recovery.
A. $20,000
,B. $200,000
C. $2,000,000
D. $2 billion
E. $2 trillion
D. $2 billion
What correct conclusion(s) can you draw from the graph on the left?
A. It is possible to build dams with only modest sacrifices of biodiversity.
B. It is NOT possible to build dams with only modest sacrifices of biodiversity.
C. Dams decrease survival of migratory fish.
D. A and C.
E. B and C.
D. A and C.
How many of Earth's known species call the ocean home?
A. 1%
B. 4%
C. 15%
D. 25%
E. 37%
F. 50%
F. 50%
What percent of the world's population lives within 125 miles of the ocean?
A. 1%
, B. 4%
C. 15%
D. 25%
E. 37%
F. 50%
F. 50%
An introduced species...
A. Is the same as an exotic species.
B. Can also be a native species.
C. Is the same as a naturalized species.
D. A and C.
E. All of the above.
A. Is the same as an exotic species.
Annual average atmospheric CO2 concentration on Earth are currently in the range of:
A. 350-450 ppm
B. 350-450 ppb
C. 150-250 ppm
D. 850-1050 ppm
E. 850-1050 ppb
F. 550-650 ppm
A. 350-450 ppm
Complete Solutions
In this example, describe the relationship between the abundance of birds and horseshoe
crab eggs:
A. A decline in crab eggs causes a decline in the number of birds.
B. A decline in the number of birds causes a decline in the number of crab eggs.
C. Causation between birds and crab eggs cannot be determined from these data.
D. Either A or B is correct.
C. Causation between birds and crab eggs cannot be determined from these data.
Based on this graph, which of the below are potential solutions to increase food supply?
A. Increase land area devoted to agriculture.
B. Increase the average yield (tons of food per hectare).
C. Increase aquaculture farming in the oceans.
D. A and B
D. A and B
Green Revolution technologies are responsible for:
A. Increasing Earth's carrying capacity for humans
B. Synthetic pesticide production.
C. Synthetic fertilizer production.
D. Development of high-yielding crop varieties.
E. B, C, and D.
F. All of the above.
,F. All of the above.
In streams and lakes, algae:
A. Is a food source for organisms.
B. Consumes O2, causing water to become anoxic.
C. Produces O2.
D. Grows in response to nitrogen and phosphorus.
E. A, B, and D.
F. A, C, and D.
G. All of the above.
F. A, C, and D.
Which of the following is true about organically vs. conventionally grown food?
A. Organic products are often more expensive.
B. Organic food likely has a lower carbon footprint.
C. Organic food likely has a lower nitrogen footprint.
D. Organic certification allows limited genetic modification (transgenic technology).
E. A and B.
F. All of the above.
E. A and B.
Eutrophication of freshwater in the United States costs _______ per year in lost
recreational income and property value, and costs of endangered species and drinking
water recovery.
A. $20,000
,B. $200,000
C. $2,000,000
D. $2 billion
E. $2 trillion
D. $2 billion
What correct conclusion(s) can you draw from the graph on the left?
A. It is possible to build dams with only modest sacrifices of biodiversity.
B. It is NOT possible to build dams with only modest sacrifices of biodiversity.
C. Dams decrease survival of migratory fish.
D. A and C.
E. B and C.
D. A and C.
How many of Earth's known species call the ocean home?
A. 1%
B. 4%
C. 15%
D. 25%
E. 37%
F. 50%
F. 50%
What percent of the world's population lives within 125 miles of the ocean?
A. 1%
, B. 4%
C. 15%
D. 25%
E. 37%
F. 50%
F. 50%
An introduced species...
A. Is the same as an exotic species.
B. Can also be a native species.
C. Is the same as a naturalized species.
D. A and C.
E. All of the above.
A. Is the same as an exotic species.
Annual average atmospheric CO2 concentration on Earth are currently in the range of:
A. 350-450 ppm
B. 350-450 ppb
C. 150-250 ppm
D. 850-1050 ppm
E. 850-1050 ppb
F. 550-650 ppm
A. 350-450 ppm
