This nonfiction reading unit (level S) focuses on the benefits of having weeds in the environment. Students learn how weeds can benefit animals, people, and the environment by adding nutrition to an animal's diet and nourishing the soil. The unit contains teacher support pages, a reading selection with supporting illustrations, and activities to guide students in close reading of the text. Students also gain practice applying content and academic vocabulary. The unit concludes with a lesson exploring text structure (Main Idea and Details) and a text-based writing activity.