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5. Why do some sharks need to move continuously?
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5. Why do some sharks need to move continuously?

User Rangoric
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2 Answers

4 votes

Answer:

So they can breathe

Step-by-step explanation:

User Levitt
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6.7k points
3 votes

Answer:

Some sharks must swim constantly in order to keep oxygen-rich water flowing over their gills, so they can breathe.

User Andrew McKee
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