protozoans

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.

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.