The Protoctist Kingdom

By Marc Zabludoff

It is easy to ignore the Kingdom Protoctista - most of its members are microscopic. Yet the kingdom is ancient and immense. Within its realm are hundreds of thousands of species, with an ancestry stretching back more than one and a half billion years. The

• Format: Library Binding
• Language: English
• ISBN: 0761418180
• ISBN13: 9780761418184
• Release Date: January 2007
• Publisher: Cavendish Square Publishing
• Length: 96 Pages
• Weight: 1.00 lbs.
• Dimensions: 0.5" x 7.9" x 9.3"
• Age Range: 11 to 13 years
• Grade Range: Grades 6 to 8