TY - BOOK AU - Mitten, Luana K. AU - Freeman, Marcia S. TI - Sorting it all out SN - 9781595152619 AV - QL49.M58 PY - 2004/// CY - Florida PB - Rourke Publishing N1 - F ; 300 ; Lexile estimate ; F ; Raz-Plus N2 - The book compares the attributes of vertebrates and invertebrates, helping children understand how scientists group animals by their physical traits. For example, it explains that a wolf has live babies, fur, four legs, and bones, classifying it as a mammal, similar to a cat, dog, or horse ER -