Ocean Review 1: Question Preview (ID: 5057)

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Why do large numbers of ocean life-forms live near areas of upwelling?
a) Upwelling keeps large predator fish away from the surface.
b) Upwelling helps push small fish up toward the surface.
c) Upwelling brings warm water to the surface.
d) Upwelling brings nutrients to the surface.

How is sonar used to map the surface of the ocean floor?
a) Light waves are used to take pictures of the ocean floor.
b) Various temperatures are measured to determine the depth of the ocean floor.
c) Scuba divers take videos and photographs to document their trips to the ocean floor.
d) Sound waves are emitted and bounced off the ocean floor to determine the distance from the receiver.

New ocean floor is formed
a) at ocean trenches.
b) on the continental slopes.
c) at mid-ocean ridges.
d) on the continental shelves.

Which of the following is a warm, shallow benthic community found in tropical latitudes?
a) kelp forest
b) hydrothermal vents
c) coral reefs
d) estuary

Anglerfish live in a part of the ocean where little to no light exists. Where do the Anglerfish live?
a) Neritic Zone
b) Estuary
c) Intertidal Zone
d) Abyssal Plain

What extends from the edge of the continent outward to where the bottom sharply drops off into a steep slope?
a) Continental Slope
b) Continental Shelf
c) Ocean trench
d) Mid-Ocean Ridge

The organisms that live around hydrothermal vents are supported by
a) energy from sunlight.
b) nutrients washed from the land.
c) food made by algae.
d) chemical nutrients from Earth’s interior.

The population density of marine life is greater along the shorelines of the ocean than farther out in the deep waters of the ocean. Which statement provides the best reason for th
a) Ocean currents prevent many smaller marine organisms from living in deep water.
b) The shallow waters have fewer predators.
c) Coastal waters are less polluted than the deeper waters of the ocean.
d) There are more nutrients in shallow waters.

Which of the following organisms could not live on the ocean floor of the oceanic zone?
a) fish
b) algae
c) bacteria
d) worms

What can you infer about an organism that lives in the rocky Intertidal zone?
a) They are able to withstand changes in tides.
b) They are able to withstand changes in salinity.
c) They are able to withstand changes in water temperature.
d) They are able to withstand changes in air temperature.

Which zone of the ocean extends from the low tide line to the edge of the continental shelf?
a) neritic zone
b) open ocean zone
c) abyssal zone
d) intertidal zone

Wht is the basis of open ocean food webs and provides the majority of the world's oxygen supply?
a) zooplankton
b) ocean reefs
c) phytoplankton
d) sea turtles

What type of technology would be used to look at algae blooms?
a) submersible
b) satellite imagery

Which layer of the ocean allows for photosynthesis to occur because of sunlight penetration?
a) Epipelagic zone
b) Mesopelagic zone
c) Bathypelagic zone
d) Abyssopelagic zone

How are estuaries connected to oceanic organisms?
a) Estuaries provide a nursery grounds for oceanic organisms.
b) Estuaries provide sunlight for oceanic organisms.
c) Estuaries provide primary food for oceanic organisms.
d) Estuaries provide excess dissolved oxygen for oceanic organisms.

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