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Belly Button Biodiversity Course Module

Curious about what grows in your belly button? Explore topics of biodiversity as your high school biology class completes the three-day Belly Button Biodiversity Lab.


  • Explore the diversity of microbes living in the human belly button
  • Explain how bacteria samples are collected and cultured
  • Expand your understanding of the relationships that humans have with microbes
  • Evaluate class data
  • Elaborate on future studies that could be done based on this current research

Supplemental Online Resources

Sample Bacteria Plate Gallery

Plate 940
Plate 966
Plate 952
Plate 963
Plate 975
Plate 961
Plate 947
Plate 954