What's the future of biotechnology? Explore a hot topic in the fourth and final unit in a series of Biotechnology lessons. Learners develop an understanding of the many issues in bioethics, then create an argument for or against the role...

Emerging ecologists need a full understanding of life, from the inner workings of a cell to the complex relationships among organisms. This examination is meant to assess high schoolers after an entire year of courses on the living...

Environmental science enthusiasts show what they know at the end of the year by taking this full-fledged final exam. They answer multiple-choice, graph interpretation, and essay-analysis questions, 73 of them in all. Topics range from...

This lesson focuses on cloning. Plants can make identical copies of themselves by asexual reproduction, for example by tubers and runners. Humans have been cloning plants for years and have recently started to develop techniques to clone...