Parasites

by Jennifer Viegas

Although all disease-causing microorganisms are technically parasites, the word is usually used to describe disease-causing organisms--such as protozoa and worms--that are larger than microscopic. Such organisms can cause terrible diseases such as blindness, and malaria, especially in underdeveloped countries with poor water supplies and sanitary systems. Clear, easy-to-understand explanations and microphotographs help readers understand the nature...

• Format: Library Binding
• Language: English
• ISBN: 0823944948
• ISBN13: 9780823944941
• Release Date: February 2004
• Publisher: Rosen Young Adult
• Length: 48 Pages
• Weight: 1.05 lbs.
• Dimensions: 0.3" x 6.5" x 9.3"
• Age Range: 12 to 17 years
• Grade Range: Grades 7 to 12