Language, Literacy & Vocabulary - Reading Expeditions (Life Science/Human Body): Exploring Ecosystems

by Linda Hoyt and Kate Boehm Jerome

An ecosystem consists of all living things and nonliving things within an area. An ecosystem is always experiencing changes. Many factors can affect the stability of an ecosystem. This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0792254090
• ISBN13: 9780792254096
• Release Date: March 2007
• Publisher: National Geographic Society
• Weight: 0.30 lbs.
• Age Range: 8 to 12 years
• Grade Range: Grades 3 to 7