
Ecosystems: Food Chains and Cycles
Authored by Terri Lowe
Other Sciences
6th - 8th Grade
Used 148+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
When animals break down glucose to create energy, they release water and carbon dioxide (CO2.) How can carbon dioxide (CO2) be reused within the food web?
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
By which process is water taken from the ocean to form clouds?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which best describes what happens when an owl attacks and kills a fish for food?
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which group in a food web is most likely to change atmospheric nitrogen into forms that are usable?
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which shows the correct flow of energy through this simple food chain?
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the energy source for the carbon dioxide cycle?
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which best explains the role of bacteria in an ecosystem?
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