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In this card activity, students investigate the functions of major digestive organs.

In this activity, students investigate the phenomenon of lactase persistence by making sense of a series of data sets.

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.

Getting students engaged in learning about the cell cycle can be difficult. In this Educator Voices article, educator Kathy Van Hoeck describes how she uses cancer as an anchoring phenomenon to spark student interest.

In this Click & Learn, students explore the process of digestion and how it connects to metabolism and cellular respiration. 

Planarians can be used to investigate a variety of biological phenomena like animal behavior, mitosis, taxonomy, and more. In this article from professor Karen Avery, see how she uses this unassuming model organism to teach concepts in cellular biology and genetics.

This interactive module introduces the anatomy of the immune system and walks through the timeline of a typical immune response.

In this article, see a learning sequence where students explore symbiotic relationships and cell communication in bacteria (quorum sensing) by connecting their prior knowledge regarding ocean ecosystems to their understanding of symbiotic relationships.

This activity explores content presented in the animated video Solving Crimes with the Necrobiome, which describes the microbial changes associated with decomposing corpses.

In this hands-on activity, students build a paper model to explore how CRISPR-Cas9 is used to edit genes.

In this activity, students engage with an example from the Serengeti ecosystem to illustrate the exchange of nutrients between plants, animals, and the environment.

This activity explores an image of tattoo ink particles inside cells, which serves as a phenomenon for learning about the structure and color of human skin.