Question

How do aquatic animals get oxygen required for breathing?

Answer 1

Explanation:

Water has oxygen too. Fish get the oxygen their bodies need by pumping water over their gills. That's why fish keep opening and closing their mouths all the time: they're breathing. Gills serve the same purpose as our lungs do.

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Answer 2

Answer:

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Explanation:

Aquatic animals may breathe air or extract oxygen that dissolved in water through specialised organs called gills, or directly through the skin. Natural environments and the animals that live in them can be categorized as aquatic (water) or terrestrial (land).