Unit 7: Test Corrections

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Turtles look for quiet, dark beach areas on which to nest. Tourists on the beaches may bother the turtles. Also, the lights from hotels and businesses discourage females from nesting at night. If a female doesn't find a safe place to nest, she may lay her eggs in an unprotected area or in the ocean. In these cases, many of the hatchlings will not survive.

What other factor may prevent the turtles from finding safe places to nest?

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Which of the following food chains shows the correct flow of energy between organisms?

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A mouse population became ill and decreased in numbers. What will most likely happen to the owl population, which depends on mice for part of its food source?

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Organisms interact with living and non-living components in their environments daily. Which organisms are interacting with non-living components in their environments?
Select the four answers.

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Below is an image of a mother bird feeding her chicks. Facts about bird activities are shown in the image.
Which of the facts are about how birds interact with living parts of their environment?

Choose TWO correct answers.

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A student makes the following observations while looking at the classroom terrarium.

Which observation demonstrates an organism interacting with only non-living elements of its environment?

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The picture shows a Pine squirrel sitting on a tree branch in a Temperate Forest biome.

Which factor most likely does NOT affect the Pine squirrel’s survival in the temperate forest biome?

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The table lists some traits of three plants.

All the plants listed in the table are MOST LIKELY adapted to which environment?

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A teacher uses an aquarium to make a habitat for a frog. A list of student observations of the frog is shown.

Which student observations show the frog interacting with nonliving elements in its environment?

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Students create a drawing of organisms in a garden. In their drawing, a bird eats a caterpillar. Another caterpillar is eating the leaves on a parsley plant. Mushrooms grow in the shadow of the parsley.

Complete the table to show the role each organism has in the food web, based on the students' drawing.
Choose the correct answer to each box.

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A desert food web is shown.

How many carnivores are represented in the desert food web?

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Plants use the Sun's energy to manufacture —

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The picture shows a butterfly in a field of flowers.

What is the role of the butterfly in a food web?

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Using the information in the table, which butterfly species would be least affected by a drought that reduces the amount of available nectar?

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Axis deer are an invasive species of deer found in Texas. There are about 125,000 axis deer in Texas. Axis deer eat grasses, flowering plants, and shrubs. The diet and habitat of axis deer are often the same as those of other animals native to Texas.

Based on this information, how do axis deer most likely affect Texas ecosystems?

	Consumer	Decomposer	Producer
Bird
Mushroom
Caterpillar
Parsley

Which of the following food chains shows the correct flow of energy between organisms?

A mouse population became ill and decreased in numbers. What will most likely happen to the owl population, which depends on mice for part of its food source?

Organisms interact with living and non-living components in their environments daily. Which organisms are interacting with non-living components in their environments? Select the four answers.

Below is an image of a mother bird feeding her chicks. Facts about bird activities are shown in the image.Which of the facts are about how birds interact with living parts of their environment?Choose TWO correct answers.

A student makes the following observations while looking at the classroom terrarium.Which observation demonstrates an organism interacting with only non-living elements of its environment?

The picture shows a Pine squirrel sitting on a tree branch in a Temperate Forest biome.Which factor most likely does NOT affect the Pine squirrel’s survival in the temperate forest biome?

The table lists some traits of three plants.All the plants listed in the table are MOST LIKELY adapted to which environment?

A teacher uses an aquarium to make a habitat for a frog. A list of student observations of the frog is shown.Which student observations show the frog interacting with nonliving elements in its environment?

A desert food web is shown.How many carnivores are represented in the desert food web?

Plants use the Sun's energy to manufacture —

The picture shows a butterfly in a field of flowers.What is the role of the butterfly in a food web?

Using the information in the table, which butterfly species would be least affected by a drought that reduces the amount of available nectar?

Organisms interact with living and non-living components in their environments daily. Which organisms are interacting with non-living components in their environments?
Select the four answers.

Below is an image of a mother bird feeding her chicks. Facts about bird activities are shown in the image.
Which of the facts are about how birds interact with living parts of their environment?

Choose TWO correct answers.

A student makes the following observations while looking at the classroom terrarium.

Which observation demonstrates an organism interacting with only non-living elements of its environment?

The picture shows a Pine squirrel sitting on a tree branch in a Temperate Forest biome.

Which factor most likely does NOT affect the Pine squirrel’s survival in the temperate forest biome?

The table lists some traits of three plants.

All the plants listed in the table are MOST LIKELY adapted to which environment?

A teacher uses an aquarium to make a habitat for a frog. A list of student observations of the frog is shown.

Which student observations show the frog interacting with nonliving elements in its environment?

A desert food web is shown.

How many carnivores are represented in the desert food web?

The picture shows a butterfly in a field of flowers.

What is the role of the butterfly in a food web?