Provides an introduction to beavers and where they live, explains what a life cycle is, follows the birth, growth, and adulthood of a beaver, and discusses interactions between people and the animals.
Presents a study of photosynthesis, and discusses how plants make food and receive energy from the sun, desert and ocean photosynthesis, and how plants survive in the winter.
Traces the life cycle of a sea horse from embryo to adult, and includes information about sea horse anatomy, movement, eating, and threats to their survival.
Examines the history and geography of the United States, provides information about the country's people, regions, cities, plants and animals, holidays, celebrations, and symbols, and includes maps and photographs.
Provides an introduction to crayfish and where they live, explains what a life cycle is, follows the birth, growth, and adulthood of a crayfish, and discusses why some species of crayfish are endangered.