Life in the Food Chain

Select the sentences that support the inference that the area is in danger of losing its moose population. Select all that apply.

• So wolves prey mainly on old and weak animals. Good hunting means food for the whole pack.

• Wolves then raise lots of pups, and their numbers increase.

• More wolves mean more mouths to feed and more moose get eaten.

• However, when the moose population decreases, wolves starve.

Tags

CCSS.RI.6.2

CCSS.RI.7.2

CCSS.RL.6.2

CCSS.RL.7.2

CCSS.RL.8.1

Which of the following sentences from the passage best support the conclusion that all living organisms are part of the food chain?

• "The energy you use to live every day travels from one living thing to another, in a chain that starts with the sun."

• "This energy then helps plants change water from the soil and carbon dioxide from the air into oxygen and carbohydrates that power their cells."

• "Food chains everywhere - in grasslands and desserts, oceans, and tropical rainforests - begin with the producers."

• "Scientists have been studying this isolated food chain for 50 years to understand how changes in the one link can cause changes in another."

Tags

CCSS.RI.8.2

CCSS.RL.6.1

CCSS.RL.7.1

CCSS.RL.7.2

CCSS.RL.8.1

Read the sentence from the text.

On Isle Royale—a small, remote island in Lake Superior—wolves, moose, and balsam fir trees are bound together in a three-link food chain.

The word remote has multiple meanings. What does the word remote most likely suggest about human contact with the island?

• The island can only be reached by radio signals.

• The island is an uncomfortable environment for humans.

• The animals and plants on the island are rarely disturbed by humans because the island is isolated.

• The animals and plants on the island bear little resemblance to the animals and plants humans usually encounter.

Tags

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RL.6.4

CCSS.RL.7.4

Which of these inferences about the author's point of view is best supported by the text?

• The author believes that wolves are weaker animals than moose.

• The author believes that all of the animals on the island will eventually disappear.

• The author believes that the moose population will cause the extinction of the balsam fir.

• The author believes that all living things are connected.

Tags

CCSS.RI.6.6

CCSS.RI.6.9

CCSS.RI.8.9

CCSS.RL.6.6

CCSS.RL.8.6

Which sentence from the text supports your answer to the previous question?

• "Scientists have been studying this isolated food chain for 50 years to understand how changes in one link can cause changes in another."

• "As more moose are born on the island, they eat more balsam fir."

• "Ten times the size of a wolf, a moose has long, strong legs and a dangerous kick."

• "However, when the moose population decreases, wolves starve."

Tags

CCSS.RI.6.2

CCSS.RI.7.2

CCSS.RI.8.2

CCSS.RL.7.2

CCSS.RL.8.2

What is the author’s most likely reason for including the “Isle Royale” section in the text?

• to explain why wolves are the island's only big predator

• to provide a related example of the information in the introduction

• to prove that plants in a food-chain are not an ideal source of food

• to demonstrate how much vegetation a moose can consume in a day

Tags

CCSS.RI.4.5

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

What are the most likely reasons the author included the section “Living Links” before the sections “Isle Royale: Predators, Prey, and Producers” and “Ups and Downs”? Select two options.

• The section "Living Links" introduces carnivores, and carnivores are mentioned in the last two sections.

• The section "Living Links” identifies humans as consumers, and humans are addressed in the sections that follow.

• The section "Living Links” defines a food chain before the other sections give an example of a specific food chain.

• The section "Living Links” explains how the sun provides energy for all living things, and the sections that follow prove that this is the case.

• The section "Living Links” gives examples of food chains that are recognizable before the other sections introduce a possibly unfamiliar food chain.

Tags

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

CCSS.RI.9-10.5