This chart shows the annual catch statistics for the red grouper for the state of North Carolina during the 1990’s. Red grouper begin their lives as females, and the largest fish change sexes to become male during mating season. Only large females mate with these males and lay eggs. You are a fisheries biologist for the state of North Carolina. You are charged with protecting the fish population, while also keeping professional fishermen from losing their jobs. Based on the chart above, what would you conclude and what would your solution be?

There is a problem with overfishing. Ban fishing for large fish so their size and population can recover, but allow the fishermen to take smaller fish.

There is a serious problem with overfishing of red grouper, so there must be a problem with other fish as well. All fishing for any species should be banned.

There is not a very serious problem. The smaller size and population are probably just due to some bad years. Do nothing and monitor the situation

There is a problem with overfishing of red grouper, but the fishermen need to stay in business. Bring in another species of grouper from Australia, so that there are more fish to catch.

Analyze the following data chart showing the concentration of greenhouse gases over several decades. How would you interpret the relationship between greenhouse gas concentration and heat retention in the troposphere?

A higher concentration of greenhouse gases leads to increased heat retention.

Greenhouse gas concentration reduces heat retention.

Higher temperatures cause an increase in greenhouse gas concentration.

No conclusions can be drawn from the data.

A student was studying the changes in carbon dioxide levels over time, as shown in the readings at Mauna Loa atmospheric station in Hawaii. In trying to reduce levels of carbon dioxide, the student wants to design and implement solutions to accomplish this goal. Which of these solutions could potentially lower carbon dioxide and greenhouse gas emissions if implemented? Select ALL that apply. (3 CHOICES)

The student could walk to locations rather than use a car to reduce carbon dioxide emissions.

The student could promote the use of solar panels in her home and neighborhood for electricity generation.

The student could promote the use of hybrid vehicles rather than traditional fuel combustion engine vehicles.

The student could increase meat consumption rather than vegetable and grain consumption to reduce carbon dioxide emissions.

What type of symbiotic relationship is represented by the graph below?

Commensalism because ispods are benefiting and urchins are neither harmed nor benefited.

Mutualism because both organisms are benefiting.

Parasitism because ispods are being harmed and urchins are benefiting.

Mutualism because isopods are benefiting and urchins are neither harmed nor benefited.

Final Exam

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Kelly Langford

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52 questions

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1.

OPEN ENDED QUESTION

30 sec • Ungraded

What is the difference between natural selection and artificial selection:

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2.

OPEN ENDED QUESTION

30 sec • Ungraded

What is the difference between emigration and immigration. Which increases genetic diversity/variation and which decreases genetic diversity/variation?

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OFF

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Untitled Question

a

b

c

d

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a

b

c

d

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a

b

c

d

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a

b

c

d

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a

b

c

d

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Final Exam

52 questions

What is the difference between natural selection and artificial selection:

What is the difference between emigration and immigration. Which increases genetic diversity/variation and which decreases genetic diversity/variation?

Untitled Question

Consider the wetland habitat pictured here. Imagine a very hot summer with little rain. What would be the limiting factor for the populations of all of the animals living here?

Select ALL that apply (4 ANSWERS)

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