7th Science Energy Flow

What type of organisms are the first step in a food chain?

• Consumers
• Predators
• Producers

Examples of producers:

• flies, fungus, and termites
• plants and organisms capable of chemo or photosynthesis
• lions, deer, and shrubs

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

What's a food web?

• A representation of all the feeding relationships within a community.
• A way of showing how matter and energy pass from one organism to another.
• A food chain provides a more complete model of feeding relationships within a community.

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NGSS.MS-LS2-3

NGSS.MS-LS2-2

A food web is made up of 

• one food chain.
• only producers.
• many different food chains.

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What does an energy pyramid represent?

• Food pyramids show the different food chains in a community.
• Energy pyramids show the same total matter at all levels.
• Shows the amount of energy available at each feeding level in an ecosystem.

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NGSS.MS-LS2-3

What is a consumer?

• An organism that makes it's own food
• An organisms that eats other organisms for energy
• An organism that breaks down dead organisms

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NGSS.MS-LS2-3

What is a food chain?

• A chain that shows the flow of energy
• A triangle that shows trophic levels
• A chain used in fishing

Tags

NGSS.MS-LS2-3

What is pictured in the diagram?

• A food web
• A food chain
• An energy pyramid

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NGSS.MS-LS2-3

What organisms are at the bottom of an energy pyramid?

• Producer
• Consumer
• Decomposer
• Scavenger

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

How much energy is passed on to each trophic level in an energy pyramid?

• 10%
• 90%
• 50%
• 80%

Tags

NGSS.MS-LS2-3