Earthworms may seem like simple creatures, but they have much to teach us about life science! For example, studying their life cycle can reinforce many introductory biology concepts. That's exactly what readers are invited to do in this engaging guide to an earthworm's growth and development. From the at-level text to the detailed photographs to the helpful graphic organizer elements, every part of this reading experience was carefully created to help beginning and struggling readers independently learn more about a creature many of us see often but know so little about.