BrainPop - Food Webs - NICHOLAS GLAESER | Laabri

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What is the source of energy for photosynthesis?

The Sun

The ocean

Earth's crust

Tubeworms

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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

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

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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

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How do primary consumers get their energy?

By performing photosynthesis

By breaking down dead organisms

By eating producers

By eating decomposers

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

Wolves

Elk

Blackberries

None of the above

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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

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Which sign represents the role of a decomposer?

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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

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