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Card 6
Front
What are the two ways exchange can take place?
Back
Card 7
Front
Where does exchange take place?
Back
Card 8
Front
What must an organism have for exchange to be effective?
Back
Card 9
Front
What happens as organisms become larger?
Back
Card 10
Front
How have large organisms overcome this problem?
Back
Card 11
Front
How are exchange surfaces adapted for gas exchange?
Back
Card 12
Front
What else do organisms have to take gases to and from the exchange surface?
Back
Card 13
Front
How does the transport system ensure efficient gas exchange?
Back
Card 14
Front
What happens if the concentration gradient is greater?
Back
Card 15
Front
What are the five features of specialised gas exchange surfaces?
Back
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