Divemaster Final Exam A part 2 Practice Questions and Answers
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Course
Divemaster
Institution
Divemaster
Divemaster Final Exam A part 2 Practice
Questions and Answers
What is the ocean's major source of productivity and the base of the marine
food chain?
a. Krill
b. Seagrass
c. Coral
d. Phytoplankton - Answer️️ -d. Phytoplankton
True or False. Natural processes, such as earthquakes and sto...
Divemaster Final Exam A part 2 Practice
Questions and Answers
What is the ocean's major source of productivity and the base of the marine
food chain?
a. Krill
b. Seagrass
c. Coral
d. Phytoplankton - Answer✔️✔️-d. Phytoplankton
True or False. Natural processes, such as earthquakes and storms, are much
more of a severe threat to coral reefs and wetlands than human-induced
threats, such as pollution. - Answer✔️✔️-False.
True or False. When an alien (invasive) species is introduced into an
ecosystem, it may have no natural enemies, which allows it to quickly
multiply and possibly overtake and kill off native species. - Answer✔️✔️-
True.
A _______________ exists when relatively warm, low-density surface water
is separated from cool, high-density deep water.
a. freshwater layer
b. thermocline
c. downwelling
d. rip current - Answer✔️✔️-d. thermocline
If you stand on a beach and watch water generally moving down the coast,
pushed by waves approaching the shore at an angle and assisted by the
prevailing wind, you are looking at a _______ current.
A day after strong winds drive surface waters offshore, you notice that
water conditions become clear and cool. This is likely due to:
a. downwelling
b. extreme tides.
c. a longshore current.
d. upwelling - Answer✔️✔️-d. upweling
Gravitational interaction between the sun, moon and earth cause ______,
while wind is the most common disturbing force that causes ___________.
a. tides / waves
b. surge / currents
3
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