Open up a world of discovery with these engaging texts featuring 15 different life science topics covering biomes to taxonomy Leveled Texts for Science is designed to help all students grasp important science concepts through high-interest science material written at four different reading levels ranging from 1.5 to 7.2. Each text is presented in two-page formats and complemented with comprehension questions written at each reading level. Includes a Teacher Resource CD with a modifiable version of each passage plus full-color versions of the text and image files. 144 pages ] CD