- Welcome Books are reviewed by reading consultants before publication.- Includes glossary and index.- Glossary words are bolded throughout the book for easy identification and the glossary includes a pronunciation guide to help emergent readers with these new words.Grades K-4 National Science Standards- Life Science: III- Each plant or animal has different structures that serve different functions of growth, survival, and reproduction.- The behavior of individual organisms is influenced by internal cues and external cues. Humans and other organisms have senses that help them detect internal and external cues.