Persevering Plants

Use “Persevering Plants” (pp. 11–12) to answer questions 9–13. Then fill

in the answers on your answer document.

9 Which characteristic of the geothermal vents made the survival of nearby plants so

surprising?

• A The depth of the holes

• B The heat they generate

• C The number of them that exist

• D The amount of pressure they release

Use “Persevering Plants” (pp. 11–12) to answer questions 9–13. Then fill

in the answers on your answer document.

10 How do the photograph and caption after paragraph 4 help the reader better understand the

selection?

• F They explain how endophytes work to help plants.

• G They demonstrate the effect endophytes can have on plants.

• H They illustrate what kinds of plants endophytes can help.

• J They show the conditions against which endophytes can protect plants.

Use “Persevering Plants” (pp. 11–12) to answer questions 9–13. Then fill

in the answers on your answer document.

11 How are paragraphs 2 through 4 organized?

• A They compare the plants Rodriguez collected to the endophytes living on the plants.

• B They describe the steps Rodriguez followed while researching plants in his laboratory.

• C They explain the problem Rodriguez was trying to solve based on his observations.

• D They describe the structure of the plants Rodriguez collected from a harsh environment.

Use “Persevering Plants” (pp. 11–12) to answer questions 9–13. Then fill

in the answers on your answer document.

12 What is paragraph 1 mostly about?

• F The unusual conditions in which some plants can survive

• G The occurrence of geothermal vents in several western states

• H The way geothermal vents release pressure in the form of steam

• J The types of plants that microbiologists have observed at a national park

Use “Persevering Plants” (pp. 11–12) to answer questions 9–13. Then fill

in the answers on your answer document.

13 An idea emphasized throughout the selection is that Rodriguez’s endophyte solution —

• A can improve plant life in national parks

• B eliminates the need to water plants regularly

• C will allow farmers to plant crops regardless of the season

• D can restore a plant’s natural resistance to the effects of a harsh climate