TY - BOOK AU - Nelson, May TI - Jump and croak: : Frogs / SN - 9780545167314 AV - PZ7 U1 - 598.07 PY - 2009///. CY - New York : PB - Weldon Owen, KW - Frog life cycle KW - Nonfiction science KW - Amphibian biology KW - Tadpoles N1 - G ; 330 ; Lexile IG ; Raz-Plus N2 - A nonfiction early reader exploring the life cycle of frogs. Readers discover how frogs begin life as eggs, develop into tadpoles (learning to breathe underwater), metamorphose into adult frogs with lungs and strong legs, and ultimately leap and swim with ease. Engaging photos, captions, and simple explanations reinforce scientific concepts for early elementary students  ER -