Food Webs and Trophic Cascades

What are the primary consumers in this image?

• Owl

• Grasshopper

• Mouse

• Bird

• Rabbit

Tags

NGSS.MS-LS2-2

What are the secondary consumers in this image?

• Owl

• Fox

• Mouse

• Bird

• Rabbit

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What does the flow of energy through an ecosystem always begin with?

• Primary Producers

• Primary Consumers

• Heterotrophs

• Grass

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What shows a network of feeding relationships?

• Food Chain

• Food Web

• Pyramid of Biomass

• Pyramid of Energy

Tags

NGSS.MS-LS2-3

What are the primary producers in this image?

• Carrot

• Grasshopper

• Grain

• Grass

• Rabbit

Tags

NGSS.MS-LS2-3

10% of energy from trophic levels is lost as

• Water

• Air

• Heat

• Fat

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A consumer gets energy by doing what?

• Making it themselves

• Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem

• Soaking it up from the ground

• Feeding on other organisms

Tags

NGSS.MS-LS2-3

Tropic levels are represented by

• squares

• circles

• pyramids

• lines

In the energy pyramid , how many of the energy in each level gets lost as heat ?

• 80%

• 90%

• 10%

• 20%

Tags

NGSS.MS-LS2-3

How might a lack of sunlight disrupt the food web

• It would cause consumers to consume less

• It would prevent decomposers from decomposing matter

• It would prevent producers from producing nutrients.

• It would not disrupt the food web at all.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4