Texas Living vs Nonliving Ecosystem

Which of these describes one or more living organisms that depend on another living organism to survive?

• Bacteria living in the mouth of a horse

• Ivy plants growing up a fence to obtain more sunlight

• Mold living on a hard, rocky surface.

• An angelfish releasing carbon dioxide into pond water.

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Green anole lizards are bright green reptiles native to the southeastern United States and the Caribbean islands. They can be kept in terrariums to study their behavior and how they interact with their environment. Which observation describes this anole lizard interacting with the living elements in its environment?

• The anole reseted on one of the rocks and lifted its head toward the light

• The anole climbed the plant and then ate a cricket off one of the leaves

• The anole drank some water and then ran across the sand.

• The anole jumped from the rock and scattered sand with its tail.

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A student observing birds in the park records some ways that birds interact with living and nonliving parts of their environment. All the following observations are ways that a bird interacts with nonliving parts of its environment EXCEPT -

• reacting to morning sunlight by singing

• drinking and taking a bath in a puddle of water

• responding to cold temperatures by fluffing its feathers

• feeding insects to its chicks

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 below. Which suggestions involves interactions between two groups of living things?

• Suggestion 1

• Suggestion 2

• Suggestion 3

• Suggestion 4

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The table lists ways that four organisms obtain energy. Which organisms 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 Purple 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 any

• Blue jay

• Bee

• Hawk

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A prickly pear cactus is shown below. 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 material

• By absorbing water and supporting the plant in loose, 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 below. 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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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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