Lesson 7.5b

The diagram represents different levels of a marine food pyramid. Between which two levels is the greatest amount of energy transferred

• 4 and 5

• 1 and 2

• 2 and 3

• 3 and 4

Answer explanation

The bottom of the energy pyramid has the most energy available, so it also passes along the most energy to the next trophic level on the pyramid.

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NGSS.MS-LS2-3

If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.  

• hawk population
• rabbit population
• wildflower population
• grass population

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The shrew provides energy for the ...?

• cricket
• grasshopper
• frog
• snake

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

Where does the energy for all life forms ultimately originate?

• Earth's Core

• Water

• Plants

• The Sun

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NGSS.MS-ESS2-4

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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 what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS2-3

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.
• The number of primary consumers would increase.
• The number of plants would increase.
• The number of secondary consumers would increase.

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

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

• 100%
• 10%
• 50%
• 75%

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase
• The number of plants would increase
• all organisms would adapt
• All living organisms would eventually die

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NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

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What are interconnected food chains called?

• consumers
• predators
• food web

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NGSS.MS-LS2-3