BrainPOP Food Webs

Food webs model the way _______ move through an ecosystem.

• Wind and water

• Energy and matter

• Predators and prey

• Consumers and producers

Tags

NGSS.MS-LS2-3

What is the source of energy for photosynthesis?

• The Sun

• The ocean

• Earth's crust

• Tubeworms

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The relationship between a food web and a food chain is most similar to the relationship between a road map and:

• A mountain range

• A driving route

• A car

• A bridge

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Lions eat both zebras and wildebeests. How would the arrows in a food web display this relationship?

• Zebra ->Lion

  Wildebeest -> Lion

• Lion -> Zebra

  Lion -> Wildebeest

• Lion <- Zebra <- Wildebeest

• Lion -> Zebra -> Wildebeest

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

What is the role of producers in an ecosystem?

• To harness energy

• To break down dead material

• To prey on other species

• To create sunlight

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

.How do primary consumers get their energy?

• By performing photosynthesis

• By breaking down dead organisms

• By eating producers

• By eating decomposers

Wolves eat elk, and elk eat blackberries. Which species is a secondary consumer?

• Wolves

• Elk

• Blackberries

• None of the above

Tags

NGSS.MS-LS2-3

What idea did Colleen Cavanaugh discover through her research on deep-sea food webs?

• Food webs contain multiple food chains

• The Sun is not the energy source of all food webs

• Food webs map the flow of energy

• All food webs contain producers

Tags

NGSS.MS-LS2-3

Which sign represents the role of a decomposer?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Why do scientists use scientific models?

• They're exact representations of nature

• They permanently establish scientific knowledge

• They're helpful for finding patterns

• They reduce the need for research

Tags

NGSS.MS-LS2-3

NGSS.MS-ETS1-4