"Living in the Dark" Quiz

Marine snow is a source of?

• oxygen

• food

• light.

• bacteria.

Why did scientists prior to 1977 believe that only very basic life forms existed in the deep ocean?

• They thought that the currents were too strong.

• They thought that hydrothermal vents released poisonous gases.

• They thought that there was no substantial food source.

• They thought that the temperatures were too cold.

Tags

CCSS.RI.6.2

CCSS.RI.7.2

CCSS.RI.8.2

CCSS.RL.7.2

CCSS.RL.8.2

Why were scientists surprised to find a “Garden of Eden” near the hydrothermal vents?

• It was thought that the environment could not support life.

• The vents were not expected to exist.

• The creatures were just like those living on land.

• The scientists were geologists, not biologists.

Tags

CCSS.RI.6.2

CCSS.RI.7.2

CCSS.RL.6.2

CCSS.RL.7.2

CCSS.RL.8.2

According to the article, what is one way in which technology is making ocean research easier?

• Newer cameras are smaller and less expensive.

• Larger and faster undersea vehicles are being built.

• Unmanned remote vehicles can be used instead of divers.

• Video footage of dives can be sent to scientists around the world.

Tags

CCSS.RI.6.2

CCSS.RI.7.2

CCSS.RL.6.2

CCSS.RL.7.2

CCSS.RL.8.2

How do cold seep communities affect Earth's climate?

• They prevent greenhouse gases from escaping.

• They leak cold air into the atmosphere.

• They form around large deposits of oil and natural gas.

• They release a large amount of methane into the atmosphere.

What conclusion can scientists draw from seeing the same species at whale falls, cold seeps, and hydrothermal vents?

• The communities develop in a similar way in all three habitats

• Species use whale falls as stepping stones from one habitat to another.

• Whale falls support the largest number of different species.

• Each habitat is isolated from the others by vast ocean distances.

Vocabulary; Choose the answer that best explains the meaning of each underlined word.

A cache is something that has been_________?

• destroyed

• found

• submerged

• hidden.

Tags

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RL.6.4

CCSS.RL.7.4

CCSS.RL.8.4

What is a geyser?

• a gas leak

• an undersea habitat

• chemical process

• a natural hot spring

A meager meal is one that is

• hearty.

• delicious.

• insufficient.

• bland.

Tags

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RL.6.4

CCSS.RL.7.4

When things decompose they

• break down.

• change color.

• store energy.

• change size