noun which may take the genitive case particle 'no', noun
amphibious; amphibian
Used in biological contexts to describe organisms that live both on land and in water. Often appears in compounds like 両生類 (amphibians).
カエルは両生類の代表的な動物です。
Frogs are a representative amphibian.
両生の生物は水辺でよく見られる。
Amphibious creatures are often seen near water.
両生類 is the full term for 'amphibians' as a taxonomic class, while 両生 is a shorter form used in compounds or as an adjective.
From 両 (both) + 生 (life), referring to living in two environments (water and land).