NGSS.MS-LS2-3

decomposer

• an organism that kills another organism or a prey (called predator)
• an organism that breaks down dead organisms and returns material to the environment
• an organism that gets killed by a predator (called prey)

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NGSS.MS-LS2-3

All of the nonliving parts of an ecosystem are _______.

• biography
• biotic
• abiotic
• biology

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NGSS.MS-LS2-3

The direction of the flow of energy in a food web is represented by ___.

• Light bulbs
• Dotted Lines
• Arrows
• Bubbles

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NGSS.MS-LS2-3

The living part of an ecosystem

• Biotic
• Abiotic
• Mother Earth
• Flowers

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NGSS.MS-LS2-3

This is a model that shows several connected food chains. 

• Food chain
• Food web
• Energy Pyramid

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NGSS.MS-LS2-3

What belongs at the bottom of an energy pyramid?

• Producer

• Predator

• Consumer

• Decomposer

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NGSS.MS-LS2-3

Biotic factors in the environment are

• metal

• mines

• non-living

• living or once living

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NGSS.MS-LS2-3

Eats dead organisms and returns nutrients to soil

• Autotroph

• Decomposer

• Biomass

• Carnivore

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NGSS.MS-LS2-3

Which animal receives the most energy originally produced by the plants in the food web?

• rabbit

• owl

• frog

• snake

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NGSS.MS-LS2-3

Scientists have found strange new life-forms called “tubeworms” on the deep ocean bottom. Which most likely provides energy for the tubeworms?

• algae

• small fish

• photosynthesis

• hydrothermal vents

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NGSS.MS-LS2-3