Frogs are amphibians, which means they spend part of their lives in water and part on land. Most fr begin li as eg laid i water. T eggs ha into yo frogs cal tadpoles, wh have ta and breathe through gills like fish. Over several weeks, the tadpoles grow legs, lose their tails, and develop lungs. Frogs can also take in oxygen through their thin, moist skin, which is one reason they are very sensitive to pollution.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.