Kategoria BISAC: Juvenile Nonfiction >> Science & Nature - Biology

Every spring the monarch butterfly migrates thousands of miles in search of the ideal milkweed plant. When she finds it, she lays her eggs on the plant, so when each egg hatches, the baby caterpillar can feed on the milkweed leaves. The milkweed plant then provides the perfect protection as the caterpillar turns into one of nature's wonders, a chrysalis, before transforming into an even greater wonder: a monarch butterfly. And once the newborn butterfly soars away, the milkweed seeds fly away on the wind and start this cycle over again....

In this fascinating book, author Wendy Pfeffer and illustrator Robin Brickman introduce readers to they life cycle of a tree. The informative, lyrical text is complemented by stunning, three-dimensional paper sculptures that showcase the forest ecosystem, inspiring readers to take a close look at the trees -- and logs -- in their own backyards.

Since humankind's earliest days, the rise of civilization led to a huge increase in the number and types of diseases that afflict the human population. Early prevailing theories about the causes of and cures for disease included superstitious beliefs, the application of herbal remedies, and the well-meant but ultimately misguided humoral theory of disease--a concept that persisted into the 19th century. Presenting a comprehensive history of the development of the germ theory of disease, Germ Theory profiles the major scientists who helped the theory, including Leeuwenhoek, Jenner, Pasteur,...

From the skin that covers us to the heart that pumps the blood, the human body is a complex machine whose parts must work together to keep us healthy and alive. Each title in new The Human Body: How It Works series investigates a different system or process of the human body, from organ systems to cells. Written by experts in human anatomy and accompanied by brand-new full-color photographs, illustrations, charts, and diagrams, these new titles thoroughly examine each system's role in keeping the human body moving.