Quiz: Matter and Energy in Organisms

Why is the ability to move important to animals?

• It helps them find food.

• It helps them stay warm.

• It helps them obtain oxygen.

• It helps them differentiate cells.

What form of energy is stored in food?

• heat

• light energy

• energy of motion

• energy in molecules

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How do organisms get the energy they need?

• A. Plants get energy from fertilizers. Animals get energy from water.

• B. Plants get energy from the soil. Animals get energy directly from sunlight.

• C. Plants do not need energy because they do not move. Animals get energy from food.

• D. Plants use energy from sunlight to make sugar molecules. Animals get energy from eating other organisms.

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Dylan drew a diagram showing that certain organisms eat each other. The diagram included a caption stating the amount of available energy decreases with each organism that is eaten. How is this explained by the law of conservation of energy?

• Living things change energy into matter.

• Some of the energy is used for life processes.

• Some energy disappears when living things are eaten.

• Only small amounts of energy can be destroyed at a time.

Carbon exists in many forms on Earth. This diagram shows part of the carbon cycle. How is the photo an example of the carbon cycle?

• It shows how matter can pass through an ecosystem.

• It shows each step in the correct order that carbon must pass through.

• It shows how more carbon is constantly being formed and passed along.

• It shows how carbon is running out because it is all being used up by animals.

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Worms break down dead plants in the soil to release nutrients. Which property of nutrients shows that they are matter?

• Nutrients are warm.

• Nutrients have mass.

• Nutrients can do work.

• Nutrients contain energy.

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How do consumers MAINLY get energy to function?

• Consumers obtain all of their energy by eating other organisms.

• Consumers obtain some energy from other organisms and some from sunlight.

• Consumers obtain most of their energy by absorbing it from their environments.

• Consumers convert light energy from the sun into chemical energy stored in food.

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All living things require matter. Explain why life on Earth depends on matter.

• Matter is not essential for life on Earth.

• Life on Earth depends on matter for energy and growth.

• Matter is only important for plants, not animals.

• Animals get matter from sunlight, and plants get it from water.

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Living things are mostly made up of four elements: carbon, hydrogen, nitrogen, and oxygen. How do plants and animals obtain these elements?

• Plants obtain them from soil and air; animals obtain them from food and water.

• Plants obtain them from sunlight; animals obtain them from air.

• Plants obtain them from water; animals obtain them from soil.

• Plants obtain them from food; animals obtain them from sunlight.

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How do plants and animals PRIMARILY get the energy they need to survive?

• Plants make glucose through a process called Photosynthesis, and animals break down food through a process called cellular respiration.

• Both plants and animals absorb energy from the sun.

• Animals turn oxygen into energy, and plants turn water into energy.

• Animals make glucose through photosynthesis, and plants break down food through cellular respiration.

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