Amplify Matter and Energy in Ecosystems

In a pond ecosystem, what would happen to frogs if the insect population decreased?

• There would be more frogs in the pond.

• There would be more insects in the pond.

• There would be less frogs in the pond.

• More fish would move to the pond.

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NGSS.MS-LS2-1

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If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease

• stay the same

• increase

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase.

• The number of plants would increase.

• All organisms would adapt.

• All living organisms would eventually die.

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Does a food chain start with the sun?

• yes

• no

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NGSS.MS-LS2-3

Rocks, air, sunlight and water are examples of ….

• an ecosystem

• biotic factors

• abiotic factors

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NGSS.MS-LS2-3

Where do producers get their energy from?

• the ground

• other animals

• decomposers

• the sun

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

The capturing of the suns energy is possible through a process called _____________

• Chemosynthesis

• Photosynthesis

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NGSS.MS-LS1-6

What type of organism makes its own food?

• consumer

• carnivore

• producer

• animal

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NGSS.MS-LS2-3

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Which choice has a group of only producers?

• red wolf, coyote, grey wolf

• sunflower, grass, pine tree

• mushrooms and worms

• seaweed, algae, mushrooms

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NGSS.MS-LS1-6

consumer gets energy by

• absorbing sunlight.

• breaking down dead organisms.

• soaking it up from the ground.

• feeding on other organisms.