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In this phenomenon-driven activity, students investigate how cells are signaled to make melanin and explain how mutations in melanin pathway proteins affect the coat color of various organisms.

This activity explores an image of tumor cells invading muscle tissue, which serves as a phenomenon for learning about cancer, mutations, and cell division.

This activity explores images of the bobtail squid, which serve as phenomena for learning about symbiosis and interspecies interactions.

This activity analyzes a published scientific figure from a study that investigated the role of p53 in cell cycle regulation.

This activity explores an image of early embryonic cells, which serves as a phenomenon for learning about cell division and development.

These two hands-on activities engage students in exploring the genetic basis of cancer using cards and posters.