Introduces biomes, showing and describing the main kinds and discussing their location, climate, and plant and animal life, as well as those developed by humans.

Introduces the different qualities and aspects of living things, including people, other animals, and plants, and covering such topics as breathing, feeding, energy, growth, locomotion, and reproduction.

Introduces various kinds of amphibians, describing their physiology, behavior, habitats, and life cycles.

Describes the process of hibernation and the various ways in which different animals use this process to survive in harsh climates.