Amphibian
양서류
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<speciesfyi-glossary slug="amphibian"></speciesfyi-glossary>Definition
A class of vertebrates that typically begin life as aquatic larvae with gills and metamorphose into air-breathing adults.
Detailed Explanation
Amphibians are sentinels of environmental health — their permeable skin, biphasic life cycle spanning aquatic and terrestrial systems, and sensitivity to temperature and moisture make them early indicators of pollution and climate change. They are experiencing the most severe decline of any vertebrate group: chytridiomycosis (a fungal disease) has driven over 90 species to extinction since the 1970s. Amphibians provide valuable ecosystem services as insect predators and prey for larger vertebrates.