Students explore coral life cycles. In this coral ecosystems lesson, students view videos explaining the life cycle of coral, including examples of sexual and asexual reproduction. Students read a related article cooperatively in groups,...

Students explore the concept of cloning. In this cloning lesson, students research reproduction, cloning, and ethic issues. Students discuss their findings and write stories about extinct animals that are brought back to life.

In this flatworm worksheet, students observe a flatworm in a petri dish. Students describe the flatwork and measure the planarian. Students complete the various charts about the movement and observations of the planarian.

A comprehensive article on mosses and liverworts.

Meet the freshwater Tetrahymena, a single-celled creature that has seven possible sexes. This article presents information from recent research that helps explain how the creature reproduces and how its sex is determined.

Find out about the basics of mitosis and meiosis with this comparison chart. Then read the article, study the diagrams, and watch the videos to go further into the subject.