NRES 103 FINAL EXAM UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

NRES 103 FINAL EXAM UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS

Question:
1. 12,000 years ago
Answer:
The last glacier withdrew from North America about

Question:
2. Niagara Falls
Answer:
What prevented water-bound organisms from migrating from the ocean to the upper Great Lakes?

Question:
3. It focuses on trophic relationships as a network
Answer:
Rather than a food chain, it's more accurate to think in terms of a food web because

Question:
4. Downdrafts
Answer:
Which of the following is not a feature that the Great Lakes share with the oceans? Downdrafts, waves,
upwelling, currents

Question:
5. Rising land surface after the glacier's retreat
Answer:
The film clip "The Rise and Fall of the Great Lakes" describes a number of geologic phenomena that have
changed the lakes over time. One of these has to do with the transition from a northerly outflow of Great
Lakes water to a southerly course. This transition was caused by

Question:
6. The stormiest
Answer:
According to the film "What's So Great About the Great Lakes", of the five lakes, Superior is not: The
deepest, stormiest, coldest, clearest

Question:
7. It's quite large yet eats small prey items
Answer:
Who eats who in lakes is not necessarily linear, as exemplified by the lake sturgeon because

Question:
8. Outflow

,Answer:
Rain, snow, and surface runoff from streams and rivers add water to the Great Lakes, but this is offset by

Question:
9. Human ignorance
Answer:
At this point in time, what is the biggest problem facing the Great Lakes?

Question:
10. 20%
Answer:
How much of the planet's available freshwater is found in the Great Lakes?

Question:
11. Water quality
Answer:
Turnover of water, or mixing, in lakes is important in terms of maintaining

Question:
12. The sun
Answer:
All energy is derived from

Question:
13. They are geographically concentrated, connectivity, the location, all of the above
Answer:
Which of the following factors contribute to the uniqueness of the Great Lakes?

Question:
14. Trophic
Answer:
The concept of a food chain is all about what type of relationships?

Question:
15. Elevation
Answer:
The west-to-east flow of the Great Lakes is due to the differences in

Question:
16. Seiche
Answer:
An extreme form of wave action in the Great Lakes that is associated with rapid changed in wind and
barometric pressure is known as a

Question:
17. They're actually one lake

, Answer:
There was a mistake make in naming Lakes Michigan and Huron. What was it?

Question:
18. Erie
Answer:
What is the shallowest of the Great Lakes?

Question:
19. The Atlantic Ocean
Answer:
At one point, the Great Lakes were all connected to

Question:
20. The salt concentration of Lake Michigan has been steadily increasing over the last 1000 years
Answer:
Which of the following does not serve as an example of the dynamic nature of the Great Lakes over
geographic time?

Question:
21. Global connectivity
Answer:
In recent decades, what is the primary factor that has led to an exponential increase in the movement of
invasive species?

Question:
22. Encountered impassible rapids
Answer:
The firs European to explore the St. Lawrence River was Jacques Cartier, but after 1000 miles he had to
turn back because

Question:
23. The lakes are relatively young
Answer:
There have been a number of unintended environmental consequences that have adversely affected the
lakes once they were connected to one another and to the Atlantic Ocean. The reason is that

Question:
24. Lacking in some ways but equal or superior in others
Answer:
Compared to the Europeans, the Woodland Culture was

Question:
25. By humans
Answer:
Most invasive species are introduced