Grade 7 Science Test: Interactions in the Environment

Plants absorb light and frogs eat flies. These are examples of how organisms _____________

• obtain energy

• produce offspring

• escape predators

• excrete waste

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

A rabbit population increased from January to November. What environmental interaction may have caused this?

• Decrease in resources

• Increase in disease

• Decrease in predators

• Increase in pollution

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

An ecosystem is considered stable if it can meet the needs of the living things it supports.

• True

• False

Abiotic elements in an ecosystem are living things.

• True

• False

Consumers produce their own energy for others to eat.

• True

• False

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NGSS.MS-LS2-3

What organism starts the flow of energy in a food web or food chain?

• Tertiary producer

• Primary consumer

• Producer

• Herbivore

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following shows the flow of energy in an ecosystem?

• Food chain

• Organism path

• The sun

• Producers

Which of the following is responsible for returning nutrients to the soil?

• Scavengers

• Decomposers

• Producers

• Carnivores

Tags

NGSS.MS-LS2-3

Which of the following is an example of a decomposer?

• Fungi

• Buzzard

• Hyena

• Dandelion

Tags

NGSS.MS-LS2-3

Which of the following is a producer?

• Sunlight

• Algae

• A pond

• Snake

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3