Which characteristic differentiates amphibians from reptiles? A) Amphibians have a single-chambered heart. B) Amphibian adults spend most of their time on land. C) Amphibian offspring develop in an amniotic egg. D) Amphibians may use their skin for gas exchange.
Added by Javier C.
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So, this option is incorrect. B) Amphibian adults can spend time both on land and in water, while reptiles are primarily terrestrial. This option is not the main characteristic that differentiates them. C) Amphibian offspring develop in water and do not have an Show more…
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Amphibians develop special adaptations to live in water and on land. Although amphibians spend their early lives in water, they undergo metamorphosis to develop lungs, so that they can survive on land.
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