Matter and Energy in Ecosystems Review

Most producers get energy from the Sun using the process of

• cellular respiration
• chemosynthesis
• photosynthesis
• consumption

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Decomposers are important to ecosystems because they

• return vital nutrients to the ecosystem
• capture energy from the Sun
• are producers
• can be omnivores

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What are the products of photosynthesis?

• Carbon dioxide and water
• Carbon dioxide and oxygen
• Glucose and oxygen
• Glucose and water

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A consumer gets energy by

• absorbing sunlight.
• breaking down dead organisms.
• soaking it up from the ground.
• feeding on other organisms.

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The cycling of matter is important because

• Matter can be created and destroyed
• Only a limited amount of matter is available so it has to be recycled
• Matter can only be found in a solution
• Bacteria use matter to convert organisms into solar energy

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Plants, animals, and decomposers (which consume dead things) are in a forest ecosystem. Scientists are studying photosynthesis in the forest. Which group or groups of organisms should they study?

• all organisms in the forest

• animals and decomposers

• plants and decomposers

• plants

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A jungle ecosystem has plants, animals, and decomposers (which consume dead things). Scientists are interested in studying cellular respiration in the jungle. Which group or groups of organisms should they study?

• plants

• animals and decomposers

• all organisms in the jungle

• animals

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What are the products of cellular respiration?

• Energy (ATP), Water, and Carbon DIoxide.
• Water and Oxygen
• Oxygen and Carbon Dioxide
• Water and Energy (ATP)

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Where does cellular respiration take place in the cell?

• Cell Membrane
• Nucleus
• Mitochondria
• Vacuole

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What kind of things perform cellular respiration?

• All living cells
• plants only
• animals only
• yeast only

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