5.L.2.2: INTERDEPENDENCE OF PLANTS & ANIMALS IN ECOSYSTEMS

How are mushrooms, bacteria, and worms best classified in a terrestrial (land-based) ecosystem?

• They are best classified as decomposers.

• They are best classified as producers.

• They are best classified as consumers.

• They are best classified as both producers and consumers.

How are plants and algae best classified in an aquatic (water-based) ecosystem?

• Plants and algae are best classified as producers.

• Plants and algae are best classified as consumers.

• Plants and algae are best classified as decomposers.

• Plants and algae are best classified as abiotic (nonliving).

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

When animals breathe, they give off a gas called carbon dioxide. How does carbon dioxide cycle through an ecosystem?

• Plants take in carbon dioxide for the process of photosynthesis.

• Other animals take in carbon dioxide to breathe.

• The carbon dioxide spreads plant pollen.

• Fish take in carbon dioxide to breathe.

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NGSS.MS-LS1-6

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Which statement best describes how organisms get energy?

• Decomposers get energy directly from the sun.

• Consumers eat only other consumers for energy.

• Consumers eat only producers for energy.

• Decomposers feed on decaying organisms and wastes for energy.

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NGSS.MS-LS1-6

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Which organisms in the food chain are best classified as consumers?

• Grass and grasshopper

• Grasshopper and frog

• Grasshopper, frog, and raccoon

• Raccoon and bacteria only

Tags

NGSS.MS-LS2-3

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Which organism in the food chain is best classified as a decomposer?

• Grass

• Frog

• Grasshopper

• Bacteria

Tags

NGSS.MS-LS2-3

Josie made the following list to classify some of the biotic (living) and abiotic (nonliving) factors of a rainforest ecosystem.

How should Josie classify the factor of temperature on her list?

• Temperature is a biotic factor.

• Temperature is an abiotic factor.

• Temperature is a producer.

• Temperature is a decomposer.

Josie made the following list to classify some of the biotic (living) and abiotic (nonliving) factors of a rainforest ecosystem.

Josie wants to add bacteria to her list. How should she classify it?

• Bacteria is a producer.

• Bacteria is a consumer.

• Bacteria is a biotic factor.

• Bacteria is an abiotic factor.

Josie made the following list to classify some of the biotic (living) and abiotic (nonliving) factors of a rainforest ecosystem.

Which biotic factor on Josie’s list is best classified as a producer in the rainforest ecosystem?

• Trees

• Spiders

• Snakes

• Monkeys

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3