4.1 Energy, Producers, and Consumers

Which statement describes ALL primary producers?

• All make energy-rich compounds that can be used by other organisms.

• All make their own food using the energy of compounds in the environment.

• All take in energy-rich compounds that were made by other organisms.

• All make their own food using the energy of sunlight

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Gerald is studying the plants and animals of a meadow. He classifies the grasses and clover as ______________ because they make their own food through the process of ___________. He classifies insects that feed on the clover as _____________ because he thinks they eat only plant matter, not animal matter.

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Scientists classify clams as consumers. Which observation about clams provides the strongest evidence for this classification?

• Young clams are able to move from place to place.

• Clams gain energy and nutrients by filtering particles from the water.

• Clams use calcium compounds to make a hard shell.

• Clams live on the ocean floor, and sometimes survive without sunlight.

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This diagram is a model of a biological process. Which of the following is modeled in the diagram?

• The role of photosynthesis in breaking apart carbohydrates for their energy

• The role of photosynthesis in adding carbon dioxide to the atmosphere

• The role of photosynthesis in transferring carbon from the atmosphere to the biosphere

• The role of photosynthesis in transferring carbon dioxide from the hydrosphere to the biosphere

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Plants are identified as a _______________________

• Primary Producer

• Consumer

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Animals are identified as a _______________________

• Primary Producer

• Consumer

Fungi are identified as a _______________________

• Primary Producer

• Consumer

Bacteria that perform chemosynthesis are identified as a _______________________

• Primary Producer

• Consumer

Bacteria that perform photosynthesis_______________________

• Primary Producer

• Consumer

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NGSS.MS-LS1-6

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