NRES Quiz #2

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The lamprey moved slowly through Lake Erie because

(A. it was relatively shallow B. it was relatively warm C. it lacked suitable spawning streams ) all the above (correct)

Compared to the Erie Canal, the Welland Canal

accommodated longer and wider ships

In the scientific method, predictions are generated from hypotheses, then tested with

data

In nature, ecosystems are

dynamic

The first European to explore the St. Lawrence River was Jacques Cartier, but after 1000 miles he had to turn back because

encountered impassible rapids

In recent decades, what is the primary factor has led to an exponential increase in the movement of invasive species?

global connectivity

A key difference between non-native (or exotic) species and invasive species is that

invasives tend to cause negative environmental consequences

Compared to the Europeans, the Woodland Culture was

lacking in some ways but equal or superior in others

The alewife came to dominate native fish in the Great Lakes by [mark all that are correct]

preying on their young, outcompeting them for food

On an annual basis, the Soo Locks handle more ships and more tonnage

than the Panama and Suez Canals combined

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

the Lakes are relatively shallow

Which of the following is a Native American tribe that the French did not encounter in the Great Lakes region?

the Sioux (correct)

Vernon Applegate was able to help reduce lamprey populations by focusing on

the creeks where lampreys nest

It's thought that lampreys first entered Lake Ontario

through the Erie Canal

The primary mission of the early French explorers of the Great Lakes was

to find a passage to the Great South Sea and Cathay (correct)

A key commercial use of the Great Lakes from the days of La Salle involves

transportation

There were fewer alewives in Lake Erie because, compared to the other upper Lakes, it is

warmer, shallower

Fisheries managers were surprised to learn that chinook salmon

were reproducing in the wild in prodigious numbers

The scientific method is initiated

with observations

Most invasive species are introduced

by humans


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