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BrainPop - Food Webs
By NICHOLAS GLAESER
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Last updated 9 months ago
10 questions
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Question 1
1.
Food webs model the way __________ move through an ecosystem.
Question 2
2.
What is the source of energy for photosynthesis?
The Sun
The ocean
Earth's crust
Tubeworms
Question 3
3.
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
Question 4
4.
Lions eat both zebras and wildebeests. How would the arrows in a food web display this relationship?
Question 5
5.
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
Question 6
6.
How do primary consumers get their energy?
By performing photosynthesis
By breaking down dead organisms
By eating producers
By eating decomposers
Question 7
7.
Wolves eat elk, and elk eat blackberries. Which species is a secondary consumer?
Wolves
Elk
Blackberries
None of the above
Question 8
8.
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
Question 9
9.
Which sign represents the role of a decomposer?
Question 10
10.
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