Rivers and Ponds, Jeanne King, Ellen Krogman, pp. 66, Teacher Created Resources, 1997, ISBN 978-1-57690-114-4, ... Amphibians like the frog begin life as an egg. The egg hatches into a tadpole, a fish-like creature that soon loses its tail and grows arms, legs, and lungs. One day the tiny froglet is ready to leave the water, looking like a miniature version of its parent ...