classification

Describes the grouping of alike things, or classification of similar objects, with emphasis on plants and animals.

A general overview of rodents, including a description of fourteen species and recommendations for observing them.

Presents descriptions and illustrations of 120 of North America's most common caterpillars, including drawings of the adult butterflies and moths they become, and offers advice on how to raise caterpillars.

Provides a detailed account of plants and the methods by which they are classified. Helpful diagrams, drawings, photographs, and sidebars will fascinate readers.

Investigates some of the amazing fauna in the world and how scientists choose to classify each species uniquely. Activities and fascinating fact boxes support the narrative and create a fun learning experience for readers.

Explores the origins, physical characteristics, and environmental importance of various species of conifers around the world including the giant redwoods of the North American Pacific coast.

Photographs, illustrations, and text teach students about the system used to organize plants into different groups and classes.

Provides diagnostic criteria for and descriptions of a range of mental disorders, grouped in seventeen categories, and features instructions concerning the use of the manual, a systematic listing of official codes and categories, and appendixes.

Brief text and color photos describe how scientists group animals into different classifications.

Defines plants, examines their distinguishing characteristics, and introduces scientific classification.