microorganisms

Photographs and drawings introduce twenty tiny organisms, plus red and white blood cells.

Explores the habitats, life cycles, and other characteristics of organisms in the Moneran kingdom.

Describes the scientific classification, origins, habitats, behaviors, and functions of different kinds of protoctists.

Explains how different kinds of viruses and bacteria have become drug-resistant over time, discussing the growth of antibiotic use during the twentieth century, and describes the efforts of scientists to address the dangers of drug-resistant malaria, tuberculosis, and other diseases.

Describes pathogenic microorganisms such as bugs, germs, bacteria, and viruses that cause illness in our bodies. Makes practical suggestions for coping with these tiny organisms.

Introduces microbes that live in soil and helps plants grow. Explains the role of microbes such as grubs in the cycle of life.

Introduces microbes that help people stay healthy. Describes microbes such as yeast and mold that are used in baking and making medicine.

Explores the world of microscopic life including spores, molds, bacteria, algae and others.

Presents an examination of phytoplankton--minute plant-like organisms that drift about in water, looking at different types of phytoplankton, considering their significance, and discussing the work of scientists who study the organisms.

Explains what disease is, what causes it, and how it is spread; discusses natural defenses, drugs, and treatments; looks at how advances in modern medicine have worked to cure disease; and considers future developments in the ongoing fight against disease.