Energy Pyramids and Food Webs

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

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NGSS.MS-LS1-6

NGSS.MS-ESS2-4

An organism that uses sunlight to create its own food is known as a:

• Producer
• Heterotroph
• Consumer
• Decomposer

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

The arrows in a food web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

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NGSS.MS-LS2-3

NGSS.MS-LS2-2

How much energy is passed on to the next trophic level in an ecosystem?

• 100%
• 10%
• 50%
• 75%

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them. 
• They may eat more than one other organism. 
• This organism gets its energy from multiple sources. 
• They have no resources available to them.

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NGSS.MS-LS2-3

NGSS.MS-LS2-2

Which trophic level has the most total energy?

• Primary Consumers
• Producers
• Secondary Consumers
• Tertiary Consumers

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NGSS.MS-LS2-3

What do we call the different "levels" in a an energy pyramid?

• Food levels
• Energy levels
• Trophic levels
• Predation levels

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NGSS.MS-LS2-3

Which is the PRODUCER?

• Lettuce
• Slug
• Bird
• Cat

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NGSS.MS-LS2-3

Which is a PRIMARY CONSUMER?

• Lettuce
• Slug
• Bird
• Cat

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Which is a SECONDARY CONSUMER?

• Slug
• Lettuce
• Bird
• Cat

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2