Flow of Energy in Ecosystem

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They show the direction the energy is flowing between organisms.

• They represent how water is transferred within a habitat.

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NGSS.MS-LS2-3

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

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A wolf eats a rabbit, that just ate some berries.  What would you call the rabbit?

• Producer
• Omnivore
• Primary Consumer
• 2nd order Heterotrph

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NGSS.MS-LS2-3

What is indicated by the diagram?

• Food web
• Food chain
• Food map
• Food menu

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Autotrophs are organisms that produce their own food. Which do scientist classify as autotrophs?

• Chordates
• Fungi
• Plants
• Molds

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NGSS.MS-LS1-6

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Eat primary consumers (can be carnivores and omnivores)

• Tertiary Consumers
• Secondary Consumers
• Quaternary Consumers 
• Top Predators 

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NGSS.MS-LS2-3

In the food web above, what organism is a tertiary consumer?

• Fox

• Frog

• Vole

• Grass

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NGSS.MS-LS2-2

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What term describes the position of an organism on the food chain?

• food web

• energy levels

• trophic levels

• matter cycle

In this food chain, what will happen if the frogs become extinct?

• The snakes will increase.
• The grasshoppers will decrease.
• The eagles will remain the same.
• The grasshoppers will increase.

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NGSS.MS-LS2-1

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Energy increases as you move up the food pyramid (from bottom to top).

• True 
• False

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NGSS.MS-LS1-6

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