Food Webs, Photosynthesis and Cellular Respiration Test Review

Anika is observing her garden and wonders how her plants convert sunlight into energy. The process by which plants convert light energy into sugar is:

• Respiration

• Transpiration

• Photosynthesis

• Decomposition

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NGSS.MS-LS2-3

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Maya is learning about plants in her science class. Her teacher asks, "What is the main product of photosynthesis?"

• Oxygen

• Carbon dioxide

• Glucose

• Water

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Noah and Priya are conducting an experiment in their school lab to understand the process of photosynthesis. They place a plant in a sealed container and provide it with sunlight and water. After a few hours, they measure the gas that has accumulated in the container. What gas is released as a product of photosynthesis?

• Carbon dioxide

• Oxygen

• Nitrogen

• Hydrogen

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Avery is conducting an experiment to understand how living organisms obtain energy. Which of the following is required for cellular respiration in her experiment?

• Sunlight

• Chlorophyll

• Oxygen

• Carbon dioxide

During a biology class experiment, Oliver is observing how cells in a petri dish function. What is the primary purpose of cellular respiration in these cells?

• To produce glucose

• To create ATP energy

• To absorb sunlight

• To produce oxygen

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In a food chain, energy flows:

• From consumers to producers

• From decomposers to producers

• From producers to consumers

• In all directions equally

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In a school garden, which of the following best describes the role of decomposers in maintaining the health of the garden ecosystem?

• They produce food from sunlight

• They eat other organisms

• They break down dead organisms

• They convert light energy to chemical energy

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NGSS.MS-LS2-3

In a school garden project, students observe different organisms. They notice that some organisms obtain energy by eating other organisms. These organisms are called:

• Producers

• Decomposers

• Consumers

• Autotrophs

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NGSS.MS-LS2-3

In a school garden project, students like Aria and Olivia are learning about ecosystems. Which statement best explains why the plants they are growing are considered producers in the ecosystem?

• They consume other organisms for energy

• They convert light energy into food

• They break down dead organisms

• They release oxygen into the atmosphere

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Imagine a forest ecosystem where all the trees and plants (producers) are removed. What would likely happen to the animals (consumers) living there?

• Consumers would thrive due to less competition

• Consumers would be unaffected

• Consumers would eventually die out

• Consumers would evolve into producers

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