Energy Transfer

Which of the following correctly describes how a diagram of cellular respiration would differ from a diagram of photosynthesis? 

• The cellular-respiration diagram would show electromagnetic waves as the final product. 

• The cellular-respiration diagram would show glucose as the main source of energy.

• The cellular-respiration diagram would show energy stored in large protein molecules. 

• The cellular-respiration diagram would show water as the main source of chemical energy

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Diatoms are one of the most common types of phytoplankton in marine habitats. Like plants, diatoms contain chlorophyll and produce glucose from which of the following? 

 

Choose 2 that apply.

 

• O₂

• CO₂

• H₂O

• ATP

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Which statement best describes the relationship between the products of photosynthesis and the reactants in cellular respiration? 

• The products of photosynthesis serve as the reactants in cellular respiration to provide chemical energy. 

• The products of photosynthesis combine with the reactants in cellular respiration to remove ATP from cells. 

• The products of photosynthesis inhibit the reactants in cellular respiration in the presence of light. 

• The products of photosynthesis change the structure of the reactants in cellular respiration in the presence of light.

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Atmospheric nitrogen has to be combined with other elements, or fixed, in order to be used by plants. Lightning is one way that nitrogen is fixed. When lightning occurs, the extreme heat breaks the bonds in nitrogen molecules, allowing nitrogen to combine with oxygen and form nitrogen oxides. In what way is most of the nitrogen fixed by lightning made available for use by plants? 

• It is moved by the wind toward dry areas. 

• It is incorporated into the exoskeletons of flying insects that eat plants. 

• It is inhaled and exhaled by birds roosting in trees during rainstorms. 

• It is carried by rain to the soil.

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Photosynthesis and cellular respiration both involve the use and release of gases. Which statement correctly identifies the role of gases in the two processes? 

• Photosynthesis and cellular respiration both use carbon dioxide and release oxygen. 

• Photosynthesis and cellular respiration both use oxygen and release carbon dioxide. 

• Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses carbon dioxide and releases oxygen. 

• Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.

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Which statement explains how producers are dependent upon consumers for their survival? 

• Consumers supply oxygen for producers to undergo aerobic respiration. 

• Consumers produce carbon dioxide for producers to use during photosynthesis. 

• Consumers provide chemical energy needed by producers for cellular respiration. 

• Consumers make lactic acid that producers use in photosynthesis.

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As part of the nitrogen cycle, animals acquire some amino acids by doing which of the following? 

• Breathing air 

• Eating plants 

• Drinking water 

• Producing waste

What would be the most likely effect of a wildfire that burned a large area of a forest? 

• More sugars and starches would be available for animals in the area. 

• The availability of fossil fuels for use by industries in the area would be reduced. 

• Less carbon dioxide would be removed from the atmosphere in the area by plants. 

• An increase in animal respiration would increase the release of carbon dioxide in the area.

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