In what region of the ocean would you expect to find submarine canyons?
O A. Submarine trench
O B. Continental shelf
O C. Continental rise
O D. Abyssal plain correct answersB. Continental shelf
The movement of cold, nutrient- rich water from the deep ocean to the ocean surface is known as
_________.
O A. outgassing
O B. downwelling
O C. upwelling
O D. upgassing correct answersC. upwelling
What academic subset of oceanography studies seafloor features and the processes that form them?
O A. Biological oceanography
O B. Physical oceanography
O C. Chemical oceanography
O D. Marine geology correct answersD. Marine geology
What can you say about the term algae?
O A. Algae is a meaningful term for taxonomists.
O B. Algae is a general term for several aquatic organisms that are photosynthetic.
O C. Algae contribute less oxygen to the atmosphere than the rainforest does.
O D. Algae represent a group of closely related organisms that share a common ancestor. correct
answersB. Algae is a general term for several aquatic organisms that are photosynthetic.
In 1972, the United States established the _____, which protects water quality and prohibits dumping of
any harmful substances into U.S. waters.
O A. Clean Air Act
, O B. Clean Water Act
O C. Magnuson-Stevens Fishery Conservation and Management Act
O D. Marine Mammal Protection Act correct answersB. Clean Water Act
Which of the following is least likely to lead to the formation of turbidity currents and submarine
canyons?
O A. A tsunami
O B. A change in sea surface temperature
O C. A large hurricane
O D. An underwater earthquake correct answersB. A change in sea surface temperature
The Magnuson-Stevens Fishery Conservation and Management Act does which of the following?
O A. Provides habitat protection for endangered species
O B. Makes it illegal to discharge pollutants into the waterway
O C. Sets catch limits on depleted fish stocks
O D. Prohibits the harassment of marine mammals correct answersC. Sets catch limits on depleted fish
stocks
When and where would you expect to find the highest rate of primary productivity?
O A. In the temperate regions during the summer months
O B. In the polar regions during the summer months
C. In the polar regions during the fall
D. In the tropics during the fall correct answersB. In the polar regions during the summer months
Which of the following is the most likely to occur if the temperature of seawater decreases?
O A. The speed of sound will decrease due to the decreasing salinity of seawater.
O B. The speed of sound will decrease due to the increasing density of seawater.
O C. The speed of sound will increase due to the increasing density of seawater.
O D. The speed of sound will increase due to the decreasing density of seawater. correct answersB. The
speed of sound will decrease due to the increasing density of seawater.