Children will learn about polar bears, the largest land predator, in this fact-filled book from the popular A True Book series. A great resource for reports on animals. A complete glossary of important words to know is included, and key words appear in boldface in the text for easy reference. Meets Reading First: initiative. Curriculum Standards: Grades K-4 Science Standards Life Science C-1. The Charateristics of Organisms: a. Organisms have basic needs. C-2. Life Cycle of Organisms: a. Plants and animals have life cycles that include being born, developing into adults, reproducing, and eventually dying. C-3. Organisms and the Environment: c. All organisms cause changes in the environments where they live.