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Use the diagram answer the question.
What is a fitting description for this diagram?

• Food Chain

• Ecosystem

• Food Web

• Biotic and Abiotic Factors

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

Use the diagram to answer the question.
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?

• Population

• Resources

• Community

• Competition

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

About how much percent of energy is passed on from one organism to to the next on a food web pyramid. 

• 100 percent of all energy gets passed

• 45 percent of all energy gets passed

• 10 percent of all energy gets passed

• 0 percent of all energy gets passed

A student researching a northern forest ecosystem learns the following information about feeding relationships in the ecosystem.

Which food web best represents the flow of energy in these feeding relationships?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-3

In order for an organism to move, which of the following energy transformations must happen in its cells?

• Sound energy is transformed into light energy.

• Mechanical energy is transformed into solar energy.

• Chemical energy is transformed into kinetic energy.

• Light energy is transformed into chemical energy.

Tags

NGSS.MS-LS1-7

NGSS.MS-PS3-5

Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?

• Frog, Dragon Fly and snake

• Frog, trout and dragon fly

• Frog, salamander and trout

• Frog and phytoplankton

What is the best explanation for an energy pyramid?

• It shows the FLOW of energy from one organism to the next. 

• It shows HOW much energy flows through a food web

• It shows the MEMBERS in a single organism

Tags

NGSS.MS-LS2-3

In Australia the farmers had a problem with beetles eating the sugar cane. So they introduced the cane toad to control that population. Instead of eating the beetles, they ate the source of food and other organisms. What would be a possible consequence of this?

• The other organisms attacks the toad population

• The ecosystem would be destroyed

• The cane toads would get too much food and die

• The food web was changed by this one organism

Tags

NGSS.MS-LS2-1

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What do the arrows show in a food chain?

• They point to the smallest animals

• They point to the animal that tastes the best

• They point to just the producers

• They point in the direction that energy is flowing

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organism would be least affected by overfishing for cod in Arctic waters?

• seals

• shrimp

• baleen whales

• toothed whales

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4