Ecosystems Generation Genius

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

• space

• sunlight

• space and sunlight

• water

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NGSS.MS-LS2-1

An invasive species is a plant or animal that is ____ to an ecosystem.

• not native

• just visiting

• beneficial

• not real

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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

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Honeybees collect nectar from flowers to make honey. When a honeybee goes to a flower, some of the pollen gets on its legs. This pollen drops into the next flower the honeybee visits. Which statement BEST describes the role of honeybees in the life cycles of flowering plants?

• Honeybees help spread plant seeds.

• Honeybees help plants photosynthesize.

• Honeybees help flowering plants reproduce.

• Honeybees provide flowering plants with energy.

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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.

Ecosystems depend on organisms to _____ with each other to maintain stability.

• interact

• build

• eat

• grow

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NGSS.MS-LS2-2

Organisms are the ________ things in an ecosystem.

• factors

• nonliving

• resources

• living

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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What is an ecosystem?

• A community of living organisms interacting with their physical environment

• A group of the same species living in an area

• A collection of different species living in different environments

• A single species living in isolation

Which of the following is a biotic component of an ecosystem?

• Water

• Sunlight

• Bacteria

• Minerals