"Life Around Deep Sea Chimneys"

Which quote from the passage supports the inference that some sea creatures depend on the deep-sea vents for survival?

• "Giant tubeworms are the most common inhabitant of many deep-sea vents. One vent site in the Pacific Ocean was named the Rose Garden after the many giant red-headed worms living there.” (paragraph 7)

• “The clam may also use its foot to move slowly from place to place, though it never travels far from the hot, sulfide-rich water spewed from the vent.” (paragraph 8)

• "The scientists did not realize how large the shells were, and they never even dreamed that clams could live in the deep sea.” (paragraph 10)

• “When these fragile jelly animals were first discovered, scientists tried to collect the dandelions so they could study them. But deep-sea dandelions are so delicate that they break apart the moment they are touched.” (paragraph 12)

How does the author introduce the idea that environments around deep-sea vents exist?

• The author explains the underwater setting of a movie.

• The author explains the underwater setting of a movie.

• The author describes an unbelievable underwater scene.

• The author lists the wide variety of creatures that live in the ocean.

Read the sentence from paragraph 9.

^{But Don't add these clams to your dinner menu yet.}

Based on the context, what does the author mean by this sentence?

• The clams may look delicious, but they should not be eaten.

• The clams are full of dangerous poisons that are harmful if ingested.

• The clams are difficult to harvest because of where they are found.

• The clams will be too costly, so people will not be able to afford them.

Which choice provides the best objective summary of the “Patches of Dandelions” section?

• Deep-sea dandelions are delicate creatures that interest scientists. In order to study deep-sea dandelions on land, scientists designed a tool to remove them from the water safely.

• Deep-sea dandelions are small creatures that resemble small jellyfish. Deep-sea dandelions live in large groups in one particular area near the ocean floor.

• Deep-sea dandelions are interesting creatures that continue to stump scientists. Although scientists do not know much, they have learned that deep-sea dandelions sting their prey.

• Deep-sea dandelions are jellyfish-like creatures with tentacles that live deep in the ocean. Each deep-sea dandelion is made up of smaller creatures that assist one another.

Which two choices explain how paragraph 10 contributes to the development of ideas in the passage?

• It shows that most deep-sea vents are named for the tubeworms or clams that live around them.

• It shows that researchers learn a great deal about deep-sea vents by taking underwater photographs.

• It shows that scientists sometimes underestimate the types of creatures that may be found deep in the sea.

• It shows that some areas deep in the sea are not well cared for because people dispose of trash in the ocean

• It shows that deep-sea vents are more likely to be surrounded by clams than by giant tubeworms.

What is the author’s purpose in writing the passage?

• to inform the reader that studying life around deep-sea vents is exciting and rewarding

• to inform the reader that although creatures near deep-sea vents seem dangerous, many are quite harmless

• to inform the reader that scientists recently discovered new creatures around deep-sea vents

• to inform the reader that despite the harsh environment, many creatures depend on deep-sea vents to survive

Which quote from the passage supports the claim that deep-sea dandelions function as a team to survive?

• “These delicate animals look like dandelion flowers that have gone to seed.” (paragraph 11)

• “But deep-sea dandelions are so delicate that they break apart the moment they are touched.” (paragraph 12)

• “By living and working together, these animals can find food and protect themselves from enemies more easily.” (paragraph 14)

• “The chemicals temporarily paralyze enemies as well as prey.” (paragraph 15)

What claim does the author make regarding deep-sea dandelions?

• Deep-sea dandelions have short life spans because other creatures can harm them so easily.

• Deep-sea dandelions are similar to a type of well-known flower that grows on land.

• Deep-sea dandelions are made up of many creatures functioning as a team to survive.

• Deep-sea dandelions have the ability to fight off large predators without trouble.

Part B

Which quote from the passage provides the best support for the information in Part A?

• “These delicate animals look like dandelion flowers that have gone to seed.” (paragraph 11)

• “But deep-sea dandelions are so delicate that they break apart the moment they are touched.” (paragraph 12)

• “By living and working together, these animals can find food and protect themselves from enemies more easily.” (paragraph 14)

• “The chemicals temporarily paralyze enemies as well as prey.” (paragraph 15)