Features Glossary/Index/Sidebars/Fun Facts/Maps/Book List/Content Consultants/Dust Jackets Safe Web sites at www.FactHound.comStandards Benchmarks for Science Literacy: The Living Environment: Diversity of Life, National Science Education Standards: Life Science Content Standards C: The Characteristics of Organisms: Organisms and Environments Quizzes at www.picturewindowbooks.com