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What is an Ecosystem?
What is an Ecosystem?
What is an Ecosystem?
What is an Ecosystem?
Your Bicycle Helmet
100
1.) Read these sentences from the article. These diving mammals eat many different underwater animals, including sea urchins. Any large urchins that venture into nearshore waters where the sea otters dive are quickly eaten. What is the meaning of the word venture as used in the sentences above? A. to swim lazily B. to float noisily C. to enter with risk D. to continue with energy
What is C. to enter with risk
100
2.) Read these sentences from the article. A kelp forest slows ocean currents and makes waves smaller, creating pockets of calm water. Shrimp-like animals flourish in this quiet water and feast on dead kelp. What does the word flourish mean as used in the sentences above? F. grow well G. seek warmth H. become silent I. avoid enemies
What is F. grow well
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3.) Read this sentence from the article. Often we discover nature’s connections only after we break them—or later, when we try to put nature back together through ecosystem restoration. What is the meaning of restoration as used in the sentence above? A. the act of repairing B. the process of storing C. protection of delicate species D. observation of the environment
What is A. the act of repairing
100
4.) Which pair of words from the article are most OPPOSITE in meaning? F. feast, gnaw G. series, single H. places, pockets I. collection, system
What is G. series, single
100
16.) Why does the author include the section Five-Step Helmet Fit Test? 16 F. to make sure the foam pads are comfortable G. to explain how to check a helmet for the correct fit H. to clarify how the helmet strap should be fastened I. to make sure you hold your head still during the fit
What is G. to explain how to check a helmet for the correct fit
200
5.) With which statement would the author of “What Is an Ecosystem?” most likely agree? A. People should avoid activities that may harm an ecosystem. B. Ecosystems need change in order to stay strong and healthy. C. Ecosystems can never be repaired once they have been damaged. D. Scientists should be able to predict the effects of changes on ecosystems.
What is A. People should avoid activities that may harm an ecosystem.
200
6.) Which sentence from the article tells the author’s main message? F. “Plants help animals by making food from sunlight, air, water, and soil minerals.” G. “On Amchitka, where sea otters limit sea urchin numbers, a giant kelp forest thrives.” H. “An ecosystem isn’t just a collection of plants and animals in a particular place—it’s a system of connections.” I. “The scientists discovered that all the differences arose because Shemya lacked a single animal species—the sea otter.”
What is H. "An ecosystem isn't just a collection of plants and animals in a particular place -- it's a system of connections"
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7.) Which detail from the article helps show how a sea otter’s diet can protect kelp forests? A. Sea urchins eat and destroy kelp. B. Shrimp-like animals eat dead kelp. C. Fish make their homes in kelp forests. D. Hard-shelled animals live in kelp forests.
What is A. Sea urchins eat and destroy kelp.
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8.) The “pockets of calm water” near Amchitka Island are created by F. mud and sand. G. large kelp forests. H. groups of sea urchins. I. sea animals with shells.
What is G. large kelp forests
200
17.) What is the purpose of the subheadings listed in the section Fitting a Bike Helmet? A. to learn how to wear a bike helmet B. to locate important suggestions for wearing a bike helmet C. to show the steps involved in fastening the straps of a bike helmet D. to ensure that safety measures are taken when buying a bike helmet
What is B. to locate important suggestions for wearing a bike helmet
300
9.) What is the main idea of the entire article? A. Most ecosystems are puzzling to scientists. B. Elements of nature rely closely on each other. C. Plants have the greatest impact on the ecosystem. D. Animals must adapt to survive in their environments.
What is B. Elements of nature rely closely on each other.
300
10.) The author shows that ecosystems are like a puzzle mainly by F. identifying various animals in ocean environments. G. listing the natural occurrences in the order they happen. H. describing the differences between two island environments. I. providing details about how humans put nature back together.
What is H. describing the differences between two island environments
300
11.) Before the hunters arrived in the late 1800s, Amchitka Island and Shemya Island both A. were home to many sea otters. B. provided a place for sea urchins to patrol. C. were surrounded by barnacles and mussels. D. provided a place for barnacles and mussels to grow.
What is A. were home to many sea otters.
300
12.) By reading the article and looking at the map, you can tell that Shemya and Amchitka Islands are located F. along the coast of Russia. G. along the coast of Canada. H. between the Arctic Ocean and the Bering Sea. I. between the Pacific Ocean and the Bering Sea.
What is I. between the Pacific Ocean and the Bering Sea.
300
18.) The information in the article would be most useful in creating F. a booklet listing bicycle repair shops. G. a brochure advertising a local bicycle event. H. a pamphlet showing the location of bicycle trails. I. a report explaining the importance of bicycle safety.
What is I. a report explaining the importance of bicycle safety.
400
13.) What is the purpose of the illustration at the beginning of the article? A. to show different types of animals B. to show how living things interact C. to demonstrate the importance of the water D. to demonstrate the similarities of the islands
What is B. to show how living things interact.
400
14.) What does the author use to support the information in the article? F. scientific research G. stories from books H. personal observation I. interviews with experts
What is F. scientific research
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15.) What information from the article supports the scientists’ conclusion that ecosystems are difficult to understand? A. Although Amchitka Island and Shemya Island have interactive ecosystems, they change constantly. B. Although Amchitka Island has always supported giant kelp forests, Shemya Island has many sea otters. C. Even though Amchitka Island and Shemya Island have similar offshore environments, the ecosystems are vastly different. D. Even though sea otters returned to Shemya Island after their numbers dwindled, they never returned to Amchitka Island.
What is C. Even though Amchitka Island and Shemya Island have similar offshore environments, the ecosystems are vastly different.
400
This passage of which of the following: A. Realistic fiction B. Informational C. Persuasive D. Narrative
What is B. Informational
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What is a problem that may occur when finding a helmet that fits correctly? A. Helmet does not pull down when you open your mouth. B. Helmet is broken. C. Helmet strap continually comes off. D. Helmet does not cover the entire head.
What is A. Helmet does not pull down when you open your mouth.
500
Which of the following contains a cause and effect relationship? A. All the plants, animals, and other living things in one place interact with one another in many ways. B. Since the places are nearly identical, one would expect to find similar life there. C. Because there are so many connections in an ecosystem, it can be hard to figure out exactly how it works. D. Scientists were puzzled by the underwater ecosystems.
What is C. Because there are so many connections in an ecosystem, it can be hard to figure out exactly how it works.
500
How is the map on page 3 useful to the article? A. It allows the reader to understand where the Aleutian, Shemya, and Amchitka Islands are located. B. It allows the readers to see that these islands are cold. C. The map provides a compass rose, so the reader can understand direction. C. It allows the reader to see how close these island are to Russia.
What is A. It allows the reader to understand where the Aleutian, Shemya, and Amchitka Islands are located.
500
The main idea of this passage is: A. found in the first paragraph of the text B. implied through making inferences throughout the passage C. found the in last paragraph of the text D. found throughout various sentences in the text
What is B. implied through making inferences throughout the passage
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What is/are the cause/causes of the following: Scientists often can't predict what will happen when humans change nature. A. Nature's connections are complicated. B. We know so little about nature's connections. C. Nature is magical. D. Nature's connections are complicated, and we know very little about them.
What is D. Nature's connections are complicated, and we know very little about them.
500
Which of the following is NOT important when buying a bike helmet? A. Selecting a brand and size that fits well prior to any adjustments. B. Buying a helmet that fits now, not a helmet to "grown into." C. Replace any helmet that has been involved in a crash. D. Buying a helmet that is fashionable and matches other accessories.
What is D. Buying a helmet that is fashionable and matches other accessories.