Contains alphabetized profiles of aquatic animals, covering their anatomy, classification, habitats, food and feeding, behavior, locomotion, reproduction, and survival; includes articles on related topics such as algae and aquaculture; and features photos, illustrations, and sidebars. This volume covers Alg-Barn.
Teaches children the differences between living and nonliving things in habitats around the world and explains how they can determine if something is living through a series of simple questions.
Examines the characteristics of living organisms, describing the features of an insect, reptile, fish, bird, mammal, and plant, as well as such unusual creatures as bacteria, polyps, mollusks, and worms.
An introduction to organisms, covering what they are, whatthey need, how they shape Earth, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, qui supplementary resources.
Explores the scientific history and future of living organisms. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
Explores the qualities that make the Earth a unique planet, focusing on its ability to support life and explaining the factors that allow life to exist, such as the planet's composition and its position within the solar system; includes an activity that teaches students about the Earth's water cycle, and a visit to Biosphere 2 in Arizona.