On the Caribbean islands, lizards expanded into different niches instead of competing for resources. Scholars discuss and learn from experts in a video how scientists prove the theory. They build phylogenetic trees based on appearances...

Roger Kornberg, the oldest son of two biochemists, won the 2006 Nobel Prize in Chemistry. Learn about Kornberg and his scientific research with an animation, videos, biography, and an applied problem-solving activity. A summary and...

Teach young biologists the language of life with this series of worksheets on DNA. By working through these pages, students expand their understanding of genetics as they learn about the process of transcription and the...

Mario Capecchi requested funding for a new procedure targeting genes and was rejected. Four years later, after he proved it worked, the NIH apologized and funded his research. Use an online interactive to learn about his research and the...

Students review terms related to DNA structure and function. They complete a variety of worksheets in small groups or in pairs reflecting the unit's concepts regarding DNA. They submit their worksheets for grading.

Eighth graders investigate the concept of nature versus nurture in human development through this series of lessons.

Seventh graders explore general structure of and natural changes that occur in DNA strands, and discuss concept of genetic engineering by creating small portion of strawberry chromosome with three genes, modeling naturally occurring...

Explore the concept of scientific classification and the similarities and differences between plant and animal species. Your class will participate in hands-on activities by investigating dichotomous keys and classifying their shoes. To...