TEKS 5.9A FOOD WEBS

The pictures show two views of a certain fish. How does the appearance of this fish most likely help it survive?

• Prey have little chance of seeing this fish as it approaches head-on

• The head-on view of this fish attracts predators

• The narrow body allows this fish to live in deeper water

• Predators have a hard time seeing the side view of this fish.

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Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. How do these actions most benefit plants?

• by returning nutrients to the soil

• By releasing oxygen into the air

• by making space for new animals

• By decreasing the population of herbivores

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Some facts about a bird called the painted redstart are listed in the box. Which fact best describes one way this bird changes its environment to meet its needs?

• Fact 1

• Fact 2

• Fact 3

• Fact 4

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In fall and winter many trees lost their leaves in response to cooler temperatures and --

• a decrease in average wind speed

• fewer hours of daylight

• an increase in humidity

• more direct sunlight

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A prickly pear cactus is shown in the picture. The roots of the prickly pear cactus spread out in a wide underground network. How does this type of root system benefit a prickly pear cactus?

• By producing fruit and storing water

• By capturing sunlight and getting rid of waste materials

• By absorbing water and supporting the plant in loos, sandy soil

• by releasing nutrients into the sandy soil and taking in oxygen

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Some facts about birds called cattle egrets are listed in the box. Which of these facts best describes how these birds depend on other animals to survive?

• Fact 1

• Fact 2

• Fact 3

• Fact 4

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The table lists ways that four organisms obtain energy. Which organism obtains energy without depending on another organism?

• Oak Tree

• Mushroom

• Cottontail Rabbit

• Mountain Lion

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The table lists the preferred diet of several types of birds. Based on this information, which two types of birds DO NOT compete for food resources?

• Purple martin and Yellow Warbler

• Eastern Bluebird and Purble Martin

• Lesser Goldfinch and Eastern Bluebird

• American Goldfinch and Lesser Goldfinch

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A student observes the following activities while walking in a park. Which of these living organisms was interacting with another living organism in the environment?

• Fire ant

• Blue jay

• Bee

• Hawk

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A farmer is reading a nature guide to learn how to make changes to a pond so that it will attract and support wildlife. The guide gives the suggestions listed in the box. Which suggestion involves interactions between two groups of living organisms?

• Suggestion 1

• Suggestion 2

• Suggestion 3

• Suggestion 4

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