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Animals have a great variety of internal structures that define the way they live. For example, a bear has lungs to help it get oxygen to all of its cells. What does a fish have that serves the same function? A. scales B. gills C. fins D. lungs

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Answer:

B

Step-by-step explanation:

User FMontano
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B gills serve so that the fish can breathe
User Sagar Kacha
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