3rd 9 Weeks Exam - Magoffin

What happens to the solar energy absorbed by plants during photosynthesis?

• It is recycled by plants and returned to the atmosphere.

• It is converted into oxygen and glucose.

• It is stored as heat within the plant for cellular functions.

• It is transformed into chemical energy.

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What kind of energy is necessary to initiate the process of photosynthesis?

• Radiant

• Heat

• Electrical

• Wind

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During the process of photosynthesis, —

• light energy is converted to chemical energy

• chemical energy is transformed to mechanical energy

• thermal energy is changed to chemical energy

• solar energy is transformed to mechanical energy

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Which type of energy is formed during the process of photosynthesis?

• Chemical

• Radiant

• Thermal

• Kinetic

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During photosynthesis, energy is stored in the chemical bonds of —

• Oxygen

• Carbon dioxide

• Glucose

• Water

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When energy is passing through a food web, some of the energy is lost as heat.

Approximately how much of the energy is passed from one level to the next?

• 1%

• 10%

• 50%

• 90%

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The diagram below shows a desert food web.

How will a large decrease in the number of rats impact the food web shown above?

• There will be an increase in the number of ants, tarantulas, and snakes.

• There will be an increase in the number of snakes, coyotes, and hawks.

• There will be a decrease in the number of snakes, coyotes, and hawks.

• There will be a decrease in the number of cacti and sagebrush plants.

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The diagram below shows a desert food web.

Which organisms above represent the producers?

• Cacti and sagebrush

• Hawks and coyotes

• Ants and tarantulas

• Rats and snakes

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Analyze the energy pyramid above.

Which arrow best represents the flow of energy through living systems?

• ↪️

• ➡️

• ⬆️

• ⬇️

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Analyze the positions of the eagle and the snake in the food web pictured above.

Which of the following statements is correct?

• The eagle eats more types of organisms in the food web than the snake does.

• The eagle eats the same types of organisms as the snake does.

• The snake eats more types of organisms in the food web than the eagle does.

• The snake is eaten by the same types of organisms as the eagle is.

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