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Multiple Choice
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1
Ancient Greeks were the first accomplished marine navigators.
A)True
B)False
2
Charles Darwin contributed to marine biology by showing for the first time that life exists on the deep-sea floor.
A)True
B)False
3
The Challenger expedition of the 1870s was the first systematic effort to gather data and samples from oceans around the globe.
A)True
B)False
4
The first permanent marine laboratory was built in 1872 in Naples, Italy.
A)True
B)False
5
Sonar uses pulses of radio waves to probe the depths of the oceans.
A)True
B)False
6
A scientist is using deduction if she proposes that "all fish have gills" after observing gills in three fish species.
A)True
B)False
7
A valid scientific hypothesis must be both testable and potentially falsifiable.
A)True
B)False
8
A concept in science is called a "theory" only after it has been conclusively proven.
A)True
B)False
9
In a controlled experiment involving two test groups, a scientist changes one variable while attempting to keep all other variables identical in the two groups.
A)True
B)False
10
In the 1800s, biologists could study marine life by use of which of these methods?
A)diving
B)dredging
C)taking underwater photographs
D)long-term experiments





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