Life Boot Camp

5.9DIdentify the significance of the carbon dioxide-oxygen cycle to the survival of

plants and animals.

carbon dioxide

oxygen carbon dioxide

STAAR 2013 #42; RC 4; Supporting

1. Many types of plants grow in a forest ecosystem. How do plants affect the air that forest animals breathe?

F. Plants use oxygen from the air to make food.G. Plants release pollution into the air.H. Plants release energy from the sun into the air.J. Plants take in carbon dioxide and release oxygen into

the air.

STAAR 2013 #42; RC 4; Supporting

1. Many types of plants grow in a forest ecosystem. How do plants affect the air that forest animals breathe?

F. Plants use oxygen from the air to make food.G. Plants release pollution into the air.H. Plants release energy from the sun into the air.J. Plants take in carbon dioxide and release oxygen into

the air.

TAKS 2003—#19 (56%)

2. Which gas in the air would increase if a large number of trees were cut down?

A Carbon dioxideB NitrogenC OxygenD Water vapor

TAKS 2003—#19 (56%)

2. Which gas in the air would increase if a large number of trees were cut down?

A Carbon dioxideB NitrogenC OxygenD Water vapor

3. Which process is illustrated in the following system? Food Production in Plants

A The Nitrogen CycleB PhotosynthesisC PhototropismD The Water Cycle

Energy (sunlight)

Carbon Dioxide

Oxygen

Water

3. Which process is illustrated in the following system? Food Production in Plants

A The Nitrogen CycleB PhotosynthesisC PhototropismD The Water Cycle

Energy (sunlight)

Carbon Dioxide

Oxygen

Water

4. During which of the following processes does a plant use sunlight to produce its own food?

A MigrationB HibernationC MetamorphosisD Photosynthesis

4. During which of the following processes does a plant use sunlight to produce its own food?

A MigrationB HibernationC MetamorphosisD Photosynthesis

5. Which of the following gases do plants use in photosynthesis?

A HydrogenB OxygenC Carbon dioxideD Carbon monoxide

5. Which of the following gases do plants use in photosynthesis?

A HydrogenB OxygenC Carbon dioxideD Carbon monoxide

6. Which gas is given off by plants during the carbon dioxide/oxygen cycle?

A HydrogenB Nitrogen C OxygenD Helium

6. Which gas is given off by plants during the carbon dioxide/oxygen cycle?

A HydrogenB Nitrogen C OxygenD Helium

7. What effect might large forest fires have on the air in that general area?

A The levels of gases in the air increase.B Carbon dioxide levels increase while oxygen levels decrease.C Carbon dioxide levels decrease while oxygen levels increase.D Levels of oxygen and carbon dioxide remain the

same.

7. What effect might large forest fires have on the air in that general area?

A The levels of gases in the air increase.B Carbon dioxide levels increase while oxygen levels decrease.C Carbon dioxide levels decrease while oxygen levels increase.D Levels of oxygen and carbon dioxide remain the

same.

8. Plants use different compounds to complete the process of photosynthesis. What gas do plants give off as a waste product during photosynthesis?

A Carbon dioxideB NitrogenC OxygenD Water

8. Plants use different compounds to complete the process of photosynthesis. What gas do plants give off as a waste product during photosynthesis?

A Carbon dioxideB NitrogenC OxygenD Water

9. An increase in the average level of carbon dioxide in the atmosphere is most likely caused by an increase in the —

A extinctions of animalsB plant life on EarthC number of large forest firesD number of solar-powered homes

9. An increase in the average level of carbon dioxide in the atmosphere is most likely caused by an increase in the —

A extinctions of animalsB plant life on EarthC number of large forest firesD number of solar-powered homes

10. Plants use sunlight and take in carbon dioxide from the air and water from the environment to make food. In this process, they release oxygen back into the environment. How is this important to the survival of other living things?

A Plants use this oxygen to make water.B People need this oxygen to make electricity.C Animals use oxygen for food.D Living things need oxygen for respiration.

10. Plants use sunlight and take in carbon dioxide from the air and water from the environment to make food. In this process, they release oxygen back into the environment. How is this important to the survival of other living things?

A Plants use this oxygen to make water.B People need this oxygen to make electricity.C Animals use oxygen for food.D Living things need oxygen for respiration.

11. Green plants are important to animals because the plants—

A consume food and give off oxygenB consume food and give off carbon dioxideC produce food and give off oxygenD produce food and give off carbon dioxide

11. Green plants are important to animals because the plants—

A consume food and give off oxygenB consume food and give off carbon dioxideC produce food and give off oxygenD produce food and give off carbon dioxide

12. In an ecosystem, which group of organisms puts a large amount of oxygen into the air?

A AnimalsB BacteriaC FungiD Plants

12. In an ecosystem, which group of organisms puts a large amount of oxygen into the air?

A AnimalsB BacteriaC FungiD Plants

13. In a forest, how do decomposers help other organisms survive?

A They release oxygen into the air that animals breathe.B They put nutrients into the soil that plants use to grow.C They provide shelter in forests where animals can hide.D They use sunlight to make food for plants and animals.

13. In a forest, how do decomposers help other organisms survive?

A They release oxygen into the air that animals breathe.B They put nutrients into the soil that plants use to grow.C They provide shelter in forests where animals can hide.D They use sunlight to make food for plants and animals.

14. Which gas is given off by plants in the carbon cycle?

A HydrogenB NitrogenC OxygenD Helium

14. Which gas is given off by plants in the carbon cycle?

A HydrogenB NitrogenC OxygenD Helium

15. Where do the consumers in the carbon cycle get the carbon compound that they need for survival?

A From decomposersB From eating plantsC From the soilD From carbon dioxide in the air

15. Where do the consumers in the carbon cycle get the carbon compound that they need for survival?

A From decomposersB From eating plantsC From the soilD From carbon dioxide in the air

16. Carbon dioxide is used by—

A animals during respirationB animals, plants, and fungi during respirationC plants during photosynthesisD plants and fungi during transpiration

16. Carbon dioxide is used by—

A animals during respirationB animals, plants, and fungi during respirationC plants during photosynthesisD plants and fungi during transpiration

18. Living plants and fish are shown in the aquarium. These plants are providing the fish with—

A waterB lightC oxygenD carbon dioxide

18. Living plants and fish are shown in the aquarium. These plants are providing the fish with—

A waterB lightC oxygenD carbon dioxide

19. Plants take in carbon dioxide gas and use it to make sugars. Through this process, they release oxygen, which animals need. Which of the following activities could increase the amount of oxygen released into the air?

A Replacing every tree that is cut down with two new treesB Clearing plants to build parking lots, homes, and mallsC Supporting population growth in plant-eating animalsD Setting stronger air pollution standards.

19. Plants take in carbon dioxide gas and use it to make sugars. Through this process, they release oxygen, which animals need. Which of the following activities could increase the amount of oxygen released into the air?

A Replacing every tree that is cut down with two new treesB Clearing plants to build parking lots, homes, and mallsC Supporting population growth in plant-eating animalsD Setting stronger air pollution standards.

20. Which part of the carbon cycle is responsible for providing food to eat and oxygen to breathe for animals?

A EvaporationB MigrationC PhotosynthesisD Respiration

20. Which part of the carbon cycle is responsible for providing food to eat and oxygen to breathe for animals?

A EvaporationB MigrationC PhotosynthesisD Respiration

21. The picture illustrates the process by which plants use sunlight, water, and carbon dioxide to make sugar. Oxygen and water are given off in the process as waste products. The process by which plants make their own food is called—

A transpirationB osmosisC photosynthesisD respiration

21. The picture illustrates the process by which plants use sunlight, water, and carbon dioxide to make sugar. Oxygen and water are given off in the process as waste products. The process by which plants make their own food is called—

A transpirationB osmosisC photosynthesisD respiration

22. What do plants give off as a waste product during photosynthesis?

A Carbon dioxideB NitrogenC OxygenD Water

22. What do plants give off as a waste product during photosynthesis?

A Carbon dioxideB NitrogenC OxygenD Water

23. In the picture above, what gas is being released by the plant into the test tube?

A Carbon dioxideB HydrogenC OxygenD Nitrogen

23. In the picture above, what gas is being released by the plant into the test tube?

A Carbon dioxideB HydrogenC OxygenD Nitrogen

24. In the diagram above, what is represented by the Z?

A Carbon DioxideB WaterC MineralsD Oxygen

24. In the diagram above, what is represented by the Z?

A Carbon DioxideB WaterC MineralsD Oxygen