protozoa

An introduction to parasites that describes different types of parasites, discusses where they live and risks they face, and explains their place in a food chain. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

An introduction to parasites that describes different types of parasites, discusses where they live and risks they face, and explains their place in a food chain. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

An introduction to parasites that describes different types of parasites, discusses where they live and risks they face, and explains their place in a food chain.

Illustrations, photographs, and see-through pages introduce children to microscopic creatures, describing where they live, what they eat, if they are dangerous, and other related topics.

An introduction to parasites that describes different types of parasites, discusses where they live and risks they face, and explains their place in a food chain.

This book introduces creatures from the protist kingdom, from microscopic protozoans to seaweedlike algae, and examines their parts, life cycle, and reproduction.

Illustrations, photographs, and see-through pages introduce children to microscopic creatures, describing where they live, what they eat, if they are dangerous, and other related topics.

Introduces the microorganisms; discusses the physical characteristics, life cycle, and uses for bacteria; and describes the different types of algae.