gas exchange is more difficult for aquatic animals with gills than for terrestrial animals with lungs because _____.

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asked Jun 3, 2017 62.1k views

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gas exchange is more difficult for aquatic animals with gills than for terrestrial animals with lungs because _____.

Biology
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Throwit asked

by Throwit

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water contains much less oxygen per unit volume than air

Viktor Svensson answered Jun 10, 2017

by Viktor Svensson

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