University of Illinois
University of Illinois Extension: The Great Plant Escape Parts of a Seed
Help Detective Le Plant discover how a seed grows into a plant. Students will learn to describe a seed's structure and what's needed for seed growth.
Virginia Tech
Virginia Tech: Flower and Tree Reproduction
This is the reproduction chapter from an online text, courtesy of the Forest Biology Department of Virginia Tech. Learn about trees, their flowers, and other details of their reproductive cycle.