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Card 16
Front
If one organism in a food web dies why are other organisms affected?
Back
Card 17
Front
What are the 3 main causes of extinction?
Back
Card 18
Front
What is the source of all the energy in an ecosystem?
Back
Card 19
Front
How is energy lost in a food chain?
Back
Card 20
Front
How is carbon dioxide removed from the atmosphere?
Back
Card 21
Front
How is carbon passed between animals in an ecosystem?
Back
Card 22
Front
How does carbon return to the air?
Back
Card 23
Front
What is the role of decomposers in the nitrogen cycle?
Back
Card 24
Front
What is the role of nitrifying bacteria in the nitrogen cycle?
Back
Card 25
Front
What is the role of nitrogen-fixing bacteria in the nitrogen cycle?
Back
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