erikita31 erikita31

25-04-2020
Biology

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How are fish hearts and mammal hearts different?

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soso912 soso912

25-04-2020

They each have different amounts of chambers. Fish have 2 chambers, and mammals have 4 chambers! Hope that helps!

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laurahughes1207 laurahughes1207

25-04-2020

One can breathe under water and the other can’t

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