Ocean Review 2 Question Preview (ID: 34054)
Understand The Hydrosphere And The Impact Of Humans On Local Systems And The Effects Of The Hydrosphere On Humans.
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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.
Which of the following organisms could not live on the abyssal plain?
a) fish
b) algae
c) bacteria
d) worms
In which zone is ocean temperature most affected by the weather?
a) twilight zone
b) abyssal zone
c) sunlight zone
d) midnight zone
Which tool would most likely be used by scientists to explore a hydrothermal vent at the Mid-Atlantic Ridge?
a) buoy
b) remote operated vehicle
c) satellite imagery
d) sonar
In North Carolina, the water in an estuary is shallow, which helps sunlight penetrate to the bottom. How is this beneficial?
a) It promotes the growth of plants.
b) It helps in the deposition of sediments.
c) It reduces the salinity of the water.
d) It decreases the nutrient content of the water.
Marine scientists use deep sea submersibles (small vehicles designed to dive to great depths) to learn more about the ocean floor. Which discovery was made using this technology?
a) Life forms exist in the absence of light on the ocean floor.
b) Natural gas deposits do not exist on the ocean floor.
c) Some photosynthetic life forms are present on the ocean floor.
d) Underwater volcanoes do not exist on the ocean floor.
The population of photosynthetic organisms is higher in the neritic zone and surface waters than in the deep ocean. Which statement best explains the reason for this?
a) There is more space for plants to grow in these areas of the ocean.
b) There is more dissolved oxygen for plants in these areas of the ocean.
c) The availability of sunlight and nutrients supports photosynthetic organisms.
d) The high salinity and cool temperature supports photosynthetic organisms.
Which factor best explains why estuaries provide a safe environment for young animals?
a) Constant changes in salinity and temperature prevent predators from surviving.
b) High pressure, cold temperatures, and lack of light prevent many predators from surviving.
c) Pollutants from inflowing rivers provide nutrients that support the development of young animals.
d) Estuaries are rich in nutrients and contain roots and grasses that provide shelter for young animals.
Which organism would be found in an intertidal zone?
a) coral
b) crab
c) dolphin
d) squid
In what ocean zone do coral reefs grow?
a) estuarial zone
b) intertidal zone
c) neritic zone
d) oceanic zone
Which of the following organisms could not live on the abyssal plain?
a) fish
b) algae
c) bacteria
d) worms
Which of these would be most useful to explore a deep and difficult-to-reach section of the mid-ocean ridge?
a) scuba divers
b) researchers on submarines
c) robots with cameras
d) weighted lines
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