A genus of true frogs found in the Northern Hemisphere, often used as the scientific name for common frogs.
From Latin 'rana' meaning 'frog,' borrowed directly into scientific nomenclature. The word likely has Indo-European roots related to making croaking sounds.
The leopard frog (Rana pipiens) revolutionized biology—scientists used it to discover how tadpoles develop into frogs, and its cells helped us understand basic life processes that apply to all animals, including humans!
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