Unit 7 Intro

What is the primary source of energy for organisms in an ecosystem?

• The Moon

• The Sun

• Electricity

• Wind

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is NOT a role within a food web?

• Builder

• Decomposer

• Consumer

• Producer

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NGSS.MS-LS2-3

What can predict the effects of changes in ecosystems caused by living organisms, including humans?

• Animal behavior

• Predictive modeling

• Overpopulation of grazers or the building of highways

• Weather patterns

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NGSS.MS-LS2-1

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What do organisms depend on for survival in their ecosystem?

• Artificial light sources

• Availability of technology

• Interactions with living and nonliving components

• None of the above

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is a decomposer?

• An organism that only eats meat

• An organism that breaks down dead material

• An organism that produces its own food

• An organism that eats plants

Tags

NGSS.MS-LS2-3

What is the effect of the overpopulation of grazers on an ecosystem?

• Decreased plant growth

• Increased plant growth

• More sunlight in the ecosystem

• More water in the ecosystem

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NGSS.MS-LS2-1

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What tool can be used to observe habitats or organisms?

• Calculator

• Microscope

• Hot plate

• Magnet

What is photosynthesis?

• A process used by plants to convert sunlight into food

• A process to break down food

• A process to consume energy

• A process to create water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What does a food chain show?

• The growth of plants

• The cycle of water

• The flow of energy from one organism to another

• The movement of the Sun

Tags

NGSS.MS-LS2-3

What is an invasive species?

• A species that lives in water

• A species that is introduced and harmful to an ecosystem

• A species that is native and beneficial to an ecosystem

• A species that produces a lot of food