Living In The Dark

Read each of the following questions. Then choose the letter of the best answer.

Marine snow is a source of?

• oxygen

• food

• light.

• bacteria.

Read each of the following questions. Then choose the letter of the best answer.

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.1.1

CCSS.RI.2.1

CCSS.RI.3.1

CCSS.RL.2.1

CCSS.RL.3.1

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.RI.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.7.4

CCSS.RL.8.4

CCSS.RL.6.4

What is a geyser?

• a gas leak

• an undersea habitat

• chemical process

• a natural hot spring

A meager meal is one that is...

• hearty ( big)

• delicious

• insufficient ( not enough food)

• bland ( tasteless)

Tags

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RL.7.4

CCSS.RL.8.4

CCSS.RI.8.4

When things decompose they...

• break down.^. ( rot)

• change color.

• store energy.

• change size

Tags

CCSS.RF.3.3B

CCSS.RF.3.3C

CCSS.RF.3.3D

CCSS.RF.4.3A

CCSS.RF.5.3A