Generation Genius Ecosystems

Plants compete for air, water, and ____ within ecosystems.

• space

• sunlight

• space and sunlight

• water

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

A rabbit depends on various plants in an ecosystem to survive. Which would most likely happen if a drought decreased the plant population?

• The rabbit population would increase.

• The rabbit population would decrease.

• The rabbit population would remain the same.

• The rabbit population would increase, then decrease quickly.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Noah visited a park that had many oak trees. Which BEST describes the role of an oak tree in its ecosystem?

• Oak trees can live for a long time.

• Oak trees have leaves that change colors.

• Oak trees have strong branches and trunks.

• Oak trees are a source of food and shelter for animals.

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NGSS.MS-LS2-1

Why are animals like deer, raccoons, bears, and coyotes sometimes seen in neighborhoods?

• because it is easier to find food

• because they can escape predators

• because their habitats are increasing

• because their habitats are decreasing

Tags

NGSS.MS-LS2-4

Which is an example of a terrestrial organism relying on an aquatic organism for food?

• Eagles consume fish to survive.

• Birds consume worms to survive.

• Fish consume seaweed to survive.

• Frogs consume flying bugs to survive.

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NGSS.MS-LS2-1

What might happen if there were no apex predators in this ecosystem?

• zebra population would grow fast

• the food web would be out of balance

• other animals wouldn't have enough grass to eat

• all of the above

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of these keeps prey populations under control?

• apex predator

• producer

• zebra

• decomposer

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NGSS.MS-LS2-4

What is the primary source of energy for most ecosystems?

• The Sun

• The Moon

• Volcanoes

• Wind

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NGSS.MS-ESS2-4

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a biotic factor in an ecosystem?

• Sunlight

• Temperature

• Plants

• Water

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NGSS.MS-LS1-4

NGSS.MS-LS2-4

In a food chain, which organism is typically at the top?

• Herbivore

• Carnivore

• Producer

• Decomposer

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NGSS.MS-LS2-3